Building reference manual, first pass. [reference] building [inventory]: targets for 1 source files that are out of date [reference] updating environment: [new config] 1 added, 0 changed, 0 removed [reference] The inventory files are in local/share/doc/sage/inventory/en/reference/references. Build finished. The built documents can be found in /Users/zscherr/sage/local/share/doc/sage/inventory/en/reference/references [spkg ] building [inventory]: targets for 273 source files that are out of date [spkg ] updating environment: [new config] 273 added, 0 changed, 0 removed [spkg ] The inventory files are in local/share/doc/sage/inventory/en/reference/spkg. Build finished. The built documents can be found in /Users/zscherr/sage/local/share/doc/sage/inventory/en/reference/spkg [manifolds] building [inventory]: targets for 78 source files that are out of date [manifolds] updating environment: [new config] 78 added, 0 changed, 0 removed [polynomia] building [inventory]: targets for 62 source files that are out of date [polynomia] updating environment: [new config] 62 added, 0 changed, 0 removed [polynomia] The inventory files are in local/share/doc/sage/inventory/en/reference/polynomial_rings. Build finished. The built documents can be found in /Users/zscherr/sage/local/share/doc/sage/inventory/en/reference/polynomial_rings [repl ] building [inventory]: targets for 35 source files that are out of date [repl ] updating environment: [new config] 35 added, 0 changed, 0 removed [repl ] The inventory files are in local/share/doc/sage/inventory/en/reference/repl. Build finished. The built documents can be found in /Users/zscherr/sage/local/share/doc/sage/inventory/en/reference/repl [algebras ] building [inventory]: targets for 95 source files that are out of date [algebras ] updating environment: [new config] 95 added, 0 changed, 0 removed [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:104: WARNING: Exception occurred in plotting chart-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:121: WARNING: Exception occurred in plotting chart-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:138: WARNING: Exception occurred in plotting chart-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:153: WARNING: Exception occurred in plotting chart-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:167: WARNING: Exception occurred in plotting chart-5 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:202: WARNING: Exception occurred in plotting chart-6 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional topological manifold S^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 4, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:237: WARNING: Exception occurred in plotting chart-7 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional topological manifold S^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 4, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:270: WARNING: Exception occurred in plotting chart-8 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional topological manifold S^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:296: WARNING: Exception occurred in plotting chart-9 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional topological manifold S^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:323: WARNING: Exception occurred in plotting chart-10 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 3-dimensional topological manifold R^3), (('calc_method', 'SR'), ('coordinates', 'X Y Z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:339: WARNING: Exception occurred in plotting chart-11 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:352: WARNING: Exception occurred in plotting chart-12 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/chart.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve:58: WARNING: Exception occurred in plotting curve-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve:170: WARNING: Exception occurred in plotting curve-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve.plot:90: WARNING: Exception occurred in plotting curve-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve.plot:104: WARNING: Exception occurred in plotting curve-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve.plot:118: WARNING: Exception occurred in plotting curve-5 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve.plot:146: WARNING: Exception occurred in plotting curve-6 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th:(0,pi):\\theta ph:(0,2*pi):\\phi'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/curve.py:docstring of sage.manifolds.differentiable.curve.DifferentiableCurve.plot:175: WARNING: Exception occurred in plotting curve-7 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold R^2), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve:51: WARNING: Exception occurred in plotting integrated_curve-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional Riemannian manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:180: WARNING: Exception occurred in plotting integrated_curve-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:241: WARNING: Exception occurred in plotting integrated_curve-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:298: WARNING: Exception occurred in plotting integrated_curve-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:337: WARNING: Exception occurred in plotting integrated_curve-5 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:428: WARNING: Exception occurred in plotting integrated_curve-6 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedAutoparallelCurve:476: WARNING: Exception occurred in plotting integrated_curve-7 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedCurve:157: WARNING: Exception occurred in plotting integrated_curve-8 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 3-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x1 x2 x3'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedCurve:202: WARNING: Exception occurred in plotting integrated_curve-9 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 3-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x1 x2 x3'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedCurve.plot_integrated:59: WARNING: Exception occurred in plotting integrated_curve-10 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 3-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x1 x2 x3'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedCurve.solve_across_charts:154: WARNING: Exception occurred in plotting integrated_curve-11 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional Riemannian manifold M), (('calc_method', 'SR'), ('coordinates', ''), ('names', ('x', 'y')))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/integrated_curve.py:docstring of sage.manifolds.differentiable.integrated_curve.IntegratedGeodesic:114: WARNING: Exception occurred in plotting integrated_curve-12 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/integrated_curve.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional Riemannian manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th ph'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:93: WARNING: Exception occurred in plotting tangent_vector-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:107: WARNING: Exception occurred in plotting tangent_vector-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:121: WARNING: Exception occurred in plotting tangent_vector-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:136: WARNING: Exception occurred in plotting tangent_vector-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:151: WARNING: Exception occurred in plotting tangent_vector-5 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:202: WARNING: Exception occurred in plotting tangent_vector-6 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:227: WARNING: Exception occurred in plotting tangent_vector-7 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/tangent_vector.py:docstring of sage.manifolds.differentiable.tangent_vector.TangentVector.plot:260: WARNING: Exception occurred in plotting tangent_vector-8 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/tangent_vector.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th:(0,pi):\\theta ph:(0,2*pi):\\phi'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:104: WARNING: Exception occurred in plotting vectorfield-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:118: WARNING: Exception occurred in plotting vectorfield-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:131: WARNING: Exception occurred in plotting vectorfield-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:146: WARNING: Exception occurred in plotting vectorfield-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:163: WARNING: Exception occurred in plotting vectorfield-5 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:176: WARNING: Exception occurred in plotting vectorfield-6 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:206: WARNING: Exception occurred in plotting vectorfield-7 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:221: WARNING: Exception occurred in plotting vectorfield-8 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:235: WARNING: Exception occurred in plotting vectorfield-9 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:248: WARNING: Exception occurred in plotting vectorfield-10 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional differentiable manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/vectorfield.py:docstring of sage.manifolds.differentiable.vectorfield.VectorField.plot:277: WARNING: Exception occurred in plotting vectorfield-11 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/differentiable/vectorfield.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, Open subset U of the 2-dimensional differentiable manifold S^2), (('calc_method', 'SR'), ('coordinates', 'th:(0,pi):\\theta ph:(0,2*pi):\\phi'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/differentiable/chart.py", line 967, in __init__ [manifolds] RealChart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/point.py:docstring of sage.manifolds.point.ManifoldPoint.plot:59: WARNING: Exception occurred in plotting point-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/point.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/point.py:docstring of sage.manifolds.point.ManifoldPoint.plot:83: WARNING: Exception occurred in plotting point-2 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/point.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/point.py:docstring of sage.manifolds.point.ManifoldPoint.plot:102: WARNING: Exception occurred in plotting point-3 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/point.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 2-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 'x y'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/point.py:docstring of sage.manifolds.point.ManifoldPoint.plot:175: WARNING: Exception occurred in plotting point-4 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/point.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 4-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 't x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 2, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/topological_submanifold.py:docstring of sage.manifolds.topological_submanifold.TopologicalSubmanifold.plot:48: WARNING: Exception occurred in plotting topological_submanifold-1 [manifolds] from /Users/zscherr/sage/src/doc/en/reference/manifolds/sage/manifolds/topological_submanifold.rst: [manifolds] Traceback (most recent call last): [manifolds] File "sage/misc/cachefunc.pyx", line 996, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:5975) [manifolds] return self.cache[k] [manifolds] File "sage/misc/weak_dict.pyx", line 704, in sage.misc.weak_dict.WeakValueDictionary.__getitem__ (build/cythonized/sage/misc/weak_dict.c:3737) [manifolds] raise KeyError(k) [manifolds] KeyError: ((, 3-dimensional topological manifold M), (('calc_method', 'SR'), ('coordinates', 'x y z'), ('names', None))) [manifolds] During handling of the above exception, another exception occurred: [manifolds] Traceback (most recent call last): [manifolds] File "sage/symbolic/ring.pyx", line 1149, in sage.symbolic.ring.send_sage_domain_to_maxima (build/cythonized/sage/symbolic/ring.cpp:12064) [manifolds] assume(v, 'real') [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 663, in assume [manifolds] x.assume() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 236, in assume [manifolds] self._validate_feature() [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/symbolic/assumptions.py", line 206, in _validate_feature [manifolds] _valid_feature_strings.update(repr(x).strip() for x in list(maxima("features"))) [manifolds] File "sage/misc/lazy_import.pyx", line 361, in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:4025) [manifolds] return self.get_object()(*args, **kwds) [manifolds] File "sage/misc/lazy_import.pyx", line 191, in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2436) [manifolds] return self._get_object() [manifolds] File "sage/misc/lazy_import.pyx", line 228, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2843) [manifolds] raise [manifolds] File "sage/misc/lazy_import.pyx", line 224, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2705) [manifolds] self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/interfaces/maxima_lib.py", line 92, in [manifolds] from sage.libs.ecl import EclObject, ecl_eval [manifolds] ImportError: dlopen(/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so, 2): Symbol not found: _ecl_process_env [manifolds] Referenced from: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] Expected in: flat namespace [manifolds] in /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/libs/ecl.cpython-38-darwin.so [manifolds] The above exception was the direct cause of the following exception: [manifolds] Traceback (most recent call last): [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/matplotlib/sphinxext/plot_directive.py", line 472, in run_code [manifolds] exec(code, ns) [manifolds] File "", line 3, in [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/manifold.py", line 1540, in chart [manifolds] return self._structure.chart(self, coordinates=coordinates, [manifolds] File "sage/misc/classcall_metaclass.pyx", line 322, in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ (build/cythonized/sage/misc/classcall_metaclass.c:1762) [manifolds] return cls.classcall(cls, *args, **kwds) [manifolds] File "sage/misc/cachefunc.pyx", line 1001, in sage.misc.cachefunc.CachedFunction.__call__ (build/cythonized/sage/misc/cachefunc.c:6101) [manifolds] w = self.f(*args, **kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/structure/unique_representation.py", line 1008, in __classcall__ [manifolds] instance = typecall(cls, *args, **options) [manifolds] File "sage/misc/classcall_metaclass.pyx", line 486, in sage.misc.classcall_metaclass.typecall (build/cythonized/sage/misc/classcall_metaclass.c:2224) [manifolds] return (type).tp_call(cls, args, kwds) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1606, in __init__ [manifolds] Chart.__init__(self, domain, coordinates=coordinates, names=names, [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 310, in __init__ [manifolds] self._init_coordinates(coord_list) [manifolds] File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py", line 1684, in _init_coordinates [manifolds] coord_var = SR.var(coord_symb, domain='real', [manifolds] SystemError: returned a result with an error set [manifolds] The inventory files are in local/share/doc/sage/inventory/en/reference/manifolds. Error building the documentation. Traceback (most recent call last): File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 194, in _run_module_as_main return _run_code(code, main_globals, None, File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 87, in _run_code exec(code, run_globals) File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__main__.py", line 2, in main() File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__init__.py", line 1729, in main builder() File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__init__.py", line 344, in _wrapper getattr(get_builder(document), 'inventory')(*args, **kwds) File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__init__.py", line 570, in _wrapper self._build_everything_except_bibliography(lang, format, *args, **kwds) File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__init__.py", line 556, in _build_everything_except_bibliography build_many(build_ref_doc, non_references) File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/__init__.py", line 296, in build_many _build_many(target, args, processes=NUM_THREADS) File "/Users/zscherr/sage/local/lib/python3.8/site-packages/sage_setup/docbuild/utils.py", line 289, in build_many raise worker_exc.original_exception OSError: /Users/zscherr/sage/local/lib/python3.8/site-packages/sage/manifolds/chart.py:docstring of sage.manifolds.chart.RealChart.plot:104: WARNING: Exception occurred in plotting chart-1