Sage 9.5.beta1 released

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Volker Braun

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Sep 14, 2021, 6:50:30 PM9/14/21
to sage-release
As always, you can get the latest beta version from the "develop" git branch. Alternatively, the self-contained source tarball is at http://www.sagemath.org/download-latest.html 


c349c87d0d (tag: 9.5.beta1, trac/develop) Updated SageMath version to 9.5.beta1
a2af3f6a45 Trac #32415: Remove unnecessary uses of symbolic functions in sage.tensor.modules
f91cda231b Trac #32413: Remove unnecessary uses of SR and symbolic functions in sage.categories, sage.coding
de5c329ff9 Trac #32412: Deprecate sage.interfaces.primecount
48872d39ac Trac #32411: Remove unnecessary uses of SR and symbolic functions in sage.algebras, sage.combinat
e7ff1af2a2 Trac #32408: slightly faster multiple zeta values
9af9b91920 Trac #32407: sage.symbolic.function: Remove direct use of cimports from pynac
4e012ae4a6 Trac #32403: tox.yml: Use --enable-download-from-upstream-url for make dist
1dc7e82217 Trac #32402: annotations for super tableaux
f4738d00f5 Trac #32401: Fix maxima('acosh(0.5)') doctest in expression.pyx
94570c691c Trac #32399: Add sqlite3 to sqlite/distros/cygwin.txt
d6f0b719be Trac #32397: some details in sloane_functions
4499a675d9 Trac #32396: Absolute value function for scalar fields
9d5680932f Trac #32395: bliss's canonical_form should guard against incorrect partition
d315872ec1 Trac #32392: pari_jupyter: Broken, unmaintained; remove
343d658aad Trac #32391: sage.symbolic.ring: Remove direct use of cimports from pynac
7cee6b86fd Trac #32382: Fix ClusterQuiver sorting and finiteness test
055f81cfe5 Trac #32381: Refresh some bibliographic references
1b1d05413a Trac #32378: annotations for Gelfand-Tsetlin patterns
caaaf279ba Trac #32377: lift from free pre-Lie algebras to Grossman-Larson algebras
e13a9e1c94 Trac #32375: speed up logarithms modulo composite integers
63f82bd53c Trac #32344: Add a new class to write multi-thread safe to a complete directory
e1aadb9a1f Trac #32272: Graded algebras with maximal degree
39800ba89f Trac #31778: Interface to Mathics
2de695da66 Trac #31280: IPython/Jupyter upgrade for Sage 9.5
859ce9da33 Trac #29847: Install sage_setup with setuptools as a prerequisite for building/installing sagelib
72a83dd425 Trac #32361: Actually remove DESTDIR staging for Python packages to eliminate race conditions during Python package installations
ee3733aa99 Trac #32323: Add GNU info as an optional package; fix singular spkg installation to install singular.idx
14f452c430 Trac #32372: requests: Upgrade to 2.26.0, add new (unvendored) deps
4df0016e22 Trac #32358: add some missing pari link roles
f24019d372 Trac #32356: enhance conversion of piecewise functions to giac
715b80f36f Trac #32355: Bug in multiple tensor contractions with scalar result
d258224051 Trac #32351: Add hash to hyperplane arrangements
b24543d286 Trac #32350: Fix unstable numeric doctest of LU decomposition
815f5048c8 Trac #32349: Remove base ring attribute for the class ModularFormsRing
9c49c5ee34 Trac #32305: Upgrade networkx to 2.6
5feb99b8cc Trac #32188: Fix some doctests that fail for various random seeds
8cdcfebc19 Trac #9777: include more rings in random testing
be205f67b9 Trac #32461: Fix symbolics doctest after #31873
0f44f1b99e Trac #32348: Missing Weil polynomials when leading coefficients are specified
18523b0bbe Trac #32347: deprecate some is_*** functions
5c94eb2b1a Trac #32346: partial cleanup around is_InfinityElement
fbde9cd1dc Trac #32331: refresh sage-fixdoctests using argparse
eae69f39a8 Trac #32329: Needing to interrupt when computing integral for answer
aa426670ad Trac #32326: remove some py2/py3 stuff from doctest forker
fa4858b8cd Trac #32318: Generate non-redundant indices of tensors with symmetries efficiently
b996e13016 Trac #32316: adding annotations to superpartitions
daca216ea2 Trac #32315: Enumerated ConditionSet
29b3466911 Trac #32313: remove deprecated diff. forms
34ec440082 Trac #32312: faster abelian_group() method for elliptic curves over finite fields
9ff50840bc Trac #32310: refresh code and add annotations to composition.py
aeb98f7ade Trac #32304: removing more traces of sagenb
68d4202a7a Trac #32302: Drop SINGULAR_EXECUTABLE from src/bin/sage-env
cf1304a636 Trac #32300: Get rid of more ParentWithBase and ParentWithGens
b7a94b22e5 Trac #31996: Efficient Integration on Riemann Surfaces
20c8c02ebd Trac #31897: Implementation of streams as backend for LazyLaurentSeries
a1e3ad227c Trac #32298: partial cleanup of <...
f5828e48ef Trac #32296: using libgap in code_bounds
1ff90ae748 Trac #32295: get rid of some pycodestyle warnings
75e34de83b Trac #32293: Orlik-Terao invariant algebra
0818558188 Trac #32290: Fix polytopes_db_4d optional doctest
9473ce291d Trac #32284: enhance oeis program parser
ff0abf18f4 Trac #32283: Fix cellular_involution for tensor product of cellular algebras
a1745a4118 Trac #32279: some fixes for pycodestyle linter
3ea58ad274 Trac #32275: Fix test failure with giac 1.7 after #32002
edc62050fb Trac #32271: Add example of LaTeX text in 2d graphics
88ef60b251 Trac #32270: Turn De Rham Cohomology into Algebra
79711b3de3 Trac #32269: Isogenies prime degree fails on some CM curves
c5f026aee1 Trac #32243: Patch gfan to use newer cddlib header location
7f986f51d3 Trac #32223: Fix use of MixedIntegerLinearProgram in cutwidth
735dc478cb Trac #32043: docbuild: Restore main website build - icons linking to pdf files
5f7351b33e Trac #30022: sage.rings.integer, rational: Remove compile-time dependency on cypari2 and flint
39228cbfed Trac #29662: Deprecate sage.stats.basic_stats
a3bd57282c (tag: 9.5.beta0) Updated SageMath version to 9.5.beta0

Eric Gourgoulhon

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Sep 15, 2021, 7:43:29 AM9/15/21
to sage-release
On Ubuntu 20.04 running on Xeon E5-2623 + 16 GB RAM:
- incremental build from 9.5.beta0, with system python (3.8.10): OK
- make ptestlong --> "All tests passed!"

Eric.

Clemens Heuberger

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Sep 15, 2021, 8:04:04 AM9/15/21
to sage-r...@googlegroups.com
On my patchbot, I get an error when testing ticket 0

sage -t --long --random-seed=0 src/sage/misc/weak_dict.pyx
**********************************************************************
File "src/sage/misc/weak_dict.pyx", line 38, in sage.misc.weak_dict
Failed example:
len(D) > 1
Expected:
True
Got:
False
**********************************************************************
1 item had failures:
1 of 28 in sage.misc.weak_dict
[271 tests, 1 failure, 0.39 s]

see
https://patchbot.sagemath.org/log/0/Linux/78-Ubuntu_SMP_Fri_Mar_19_13:29:52_UTC_2021/x86_64/5.4.0-70-generic/pc72-math/2021-09-14%2003:00:01 ,

On some other (unrelated) ticket, however, there are no problems, see

https://patchbot.sagemath.org/log/32464/Linux/78-Ubuntu_SMP_Fri_Mar_19_13:29:52_UTC_2021/x86_64/5.4.0-70-generic/pc72-math/2021-09-15%2007:45:50 .


Am 15.09.21 um 00:50 schrieb Volker Braun:

Emmanuel Charpentier

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Sep 15, 2021, 11:44:47 AM9/15/21
to sage-release

On Debian testing running on core i7 + 16 GB RAM (using gcc 10.3.0, FWIW) upgrading 9.5.beta0 (configured to use all available system packages) to 9.5.beta1 and running ptestlong results in a raft of new (permanent) failures :

Test Result P/T Comment
src/sage/doctest/test.py 7 doctests failed P Unexpected output ; possibly cosmetic
src/sage/graphs/generic_graph.py 2 doctests failed P Experting a traceback, got BLANKLINE ; possibly cosmetic
src/sage/tests/cmdline.py 2 doctests failed P Examples creating a script.
src/sage/graphs/graph.py 3 doctests failed P One genuine error, one BLANKLINE (expected ValueError)
src/sage/calculus/calculus.py 1 doctest failed P Fricas test returning plusInfinity() instead of +Infinity
src/sage/combinat/designs/incidence_structures.py 1 doctest failed P 1 genuine failure (which I do not understand)
src/sage/tests/modular_group_cohomology.py 14 doctests failed P A raft of errors, possibly Singular-related (poly.lib)
src/sage/schemes/curves/zariski_vankampen.py 1 doctest failed P Possibly numerical noise / order of roots.

The file in post-scriptum gives the result of re-running the failed doctests (sorry, I couldn't find how to attach a text file in the damn Google Groups interface...).

HTH,

Running doctests with ID 2021-09-15-16-40-49-547ab26e.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/doctest/test.py
**********************************************************************
File "src/sage/doctest/test.py", line 26, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--random-seed=0", "longtime.rst"], **kwds)  # long time
Expected:
    Running doctests...
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 longtime.rst
    [0 tests, ...s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-40-50-69f19b80.
    Git branch: develop
    Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 longtime.rst
        [0 tests, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 36, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--random-seed=0", "-l", "longtime.rst"], **kwds)  # long time
Expected:
    Running doctests...
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 longtime.rst
    [1 test, ...s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-40-53-db2b2f61.
    Git branch: develop
    Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 longtime.rst
        [1 test, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 433, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--random-seed=0", "--show-skipped", "show_skipped.rst"], **kwds)  # long time
Expected:
    Running doctests ...
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 gap test not run
        1 long test not run
        1 not tested test not run
        0 tests not run because we ran out of time
        [1 test, ... s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-42-38-bd864b47.
    Git branch: develop
    Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 gap test not run
        1 long test not run
        1 not tested test not run
        0 tests not run because we ran out of time
        [1 test, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 452, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--long", "--random-seed=0", "--show-skipped", "--optional=sage,gap", "show_skipped.rst"], **kwds)  # long time
Expected:
    Running doctests ...
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 not tested test not run
        0 tests not run because we ran out of time
        [3 tests, ... s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-42-40-570c28b1.
    Git branch: develop
    Using --optional=gap,sage
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 not tested test not run
        0 tests not run because we ran out of time
        [3 tests, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 467, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--long", "--random-seed=0", "--show-skipped", "--optional=gAp", "show_skipped.rst"], **kwds)  # long time
Expected:
    Running doctests ...
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 not tested test not run
        1 sage test not run
        0 tests not run because we ran out of time
        [2 tests, ... s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-42-43-746e120d.
    Git branch: develop
    Using --optional=gap
    Doctesting 1 file.
    sage -t --long --warn-long 0.0 --random-seed=0 show_skipped.rst
        1 unlabeled test not run
        2 tests not run due to known bugs
        1 not tested test not run
        1 sage test not run
        0 tests not run because we ran out of time
        [2 tests, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 499, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--random-seed=0", "atexit.rst"], **kwds2)  # long time
Expected:
    Running doctests...
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 atexit.rst
        [3 tests, ... s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-42-46-a5bc30c2.
    Git branch: develop
    Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=0 atexit.rst
        [3 tests, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
File "src/sage/doctest/test.py", line 539, in sage.doctest.test
Failed example:
    subprocess.call(["sage", "-t", "--warn-long", "0", "--random-seed=1", "random_seed.rst"], **kwds)  # long time
Expected:
    Running doctests...
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=1 random_seed.rst
        [1 test, ...s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    ...
    0
Got:
    Running doctests with ID 2021-09-15-16-42-53-b4555dd7.
    Git branch: develop
    Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
    Doctesting 1 file.
    sage -t --warn-long 0.0 --random-seed=1 random_seed.rst
        [1 test, 0.00 s]
    ----------------------------------------------------------------------
    All tests passed!
    ----------------------------------------------------------------------
    Total time for all tests: 0.0 seconds
        cpu time: 0.0 seconds
        cumulative wall time: 0.0 seconds
    ============================= test session starts ==============================
    platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
    rootdir: /usr/local/sage-9/src, configfile: tox.ini
    collected 0 items
    <BLANKLINE>
    ============================ no tests ran in 0.00s =============================
    5
**********************************************************************
1 item had failures:
   7 of  53 in sage.doctest.test
    [52 tests, 7 failures, 124.86 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/doctest/test.py  # 7 doctests failed
----------------------------------------------------------------------
Total time for all tests: 124.9 seconds
    cpu time: 0.2 seconds
    cumulative wall time: 124.9 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 0.00s =============================
Running doctests with ID 2021-09-15-16-42-56-96ab5817.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/graphs/generic_graph.py
**********************************************************************
File "src/sage/graphs/generic_graph.py", line 8953, in sage.graphs.generic_graph.GenericGraph.nowhere_zero_flow
Failed example:
    h = g.nowhere_zero_flow(k=3)
Expected:
    Traceback (most recent call last):
    ...
    EmptySetError: the problem has no feasible solution
Got:
    <BLANKLINE>
**********************************************************************
File "src/sage/graphs/generic_graph.py", line 9582, in sage.graphs.generic_graph.GenericGraph.?
Failed example:
    p1,p2 = g.disjoint_routed_paths([((0, 0), (4, 4)), ((0, 4), (4, 0))])
Expected:
    Traceback (most recent call last):
    ...
    EmptySetError: the disjoint routed paths do not exist
Got:
    <BLANKLINE>
**********************************************************************
2 items had failures:
   1 of 1050 in sage.graphs.generic_graph.GenericGraph.?
   1 of  29 in sage.graphs.generic_graph.GenericGraph.nowhere_zero_flow
    [3524 tests, 2 failures, 47.66 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/graphs/generic_graph.py  # 2 doctests failed
----------------------------------------------------------------------
Total time for all tests: 48.2 seconds
    cpu time: 38.6 seconds
    cumulative wall time: 47.7 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items / 1 error

==================================== ERRORS ====================================
________________ ERROR collecting sage/graphs/generic_graph.py _________________
ImportError while importing test module '/usr/local/sage-9/src/sage/graphs/generic_graph.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
src/sage/graphs/generic_graph.py:426: in <module>
    from .generic_graph_pyx import GenericGraph_pyx, spring_layout_fast, layout_split
E   ImportError: attempted relative import with no known parent package
=========================== short test summary info ============================
ERROR src/sage/graphs/generic_graph.py
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
=============================== 1 error in 0.61s ===============================
Running doctests with ID 2021-09-15-16-43-48-178bf951.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/tests/cmdline.py
**********************************************************************
File "src/sage/tests/cmdline.py", line 325, in sage.tests.cmdline.test_executable
Failed example:
    ret
Expected:
    0
Got:
    4
**********************************************************************
File "src/sage/tests/cmdline.py", line 330, in sage.tests.cmdline.test_executable
Failed example:
    ret
Expected:
    0
Got:
    2
**********************************************************************
1 item had failures:
   2 of 221 in sage.tests.cmdline.test_executable
    [220 tests, 2 failures, 36.30 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/tests/cmdline.py  # 2 doctests failed
----------------------------------------------------------------------
Total time for all tests: 36.3 seconds
    cpu time: 0.4 seconds
    cumulative wall time: 36.3 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 1 item

src/sage/tests/cmdline.py E                                              [100%]

==================================== ERRORS ====================================
______________________ ERROR at setup of test_executable _______________________
file /usr/local/sage-9/src/sage/tests/cmdline.py, line 61
  def test_executable(args, input="", timeout=100.0, pydebug_ignore_warnings=False, **kwds):
E       fixture 'args' not found
>       available fixtures: add_imports, cache, capfd, capfdbinary, caplog, capsys, capsysbinary, doctest_namespace, monkeypatch, pytestconfig, record_property, record_testsuite_property, record_xml_attribute, recwarn, tmp_path, tmp_path_factory, tmpdir, tmpdir_factory
>       use 'pytest --fixtures [testpath]' for help on them.

/usr/local/sage-9/src/sage/tests/cmdline.py:61
=========================== short test summary info ============================
ERROR src/sage/tests/cmdline.py::test_executable
=============================== 1 error in 0.01s ===============================
Running doctests with ID 2021-09-15-16-44-28-6dccf6a8.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/graphs/graph.py
**********************************************************************
File "src/sage/graphs/graph.py", line 4286, in sage.graphs.graph.Graph.?
Failed example:
    g.has_homomorphism_to(graphs.CycleGraph(4)) is not False
Expected:
    False
Got:
    True
**********************************************************************
File "src/sage/graphs/graph.py", line 4693, in sage.graphs.graph.Graph.minor
Failed example:
    L = g.minor(graphs.CompleteGraph(3))
Expected:
    Traceback (most recent call last):
    ...
    ValueError: This graph has no minor isomorphic to H !
Got:
    <BLANKLINE>
**********************************************************************
File "src/sage/graphs/graph.py", line 5908, in sage.graphs.graph.Graph.?
Failed example:
    g.topological_minor(graphs.CycleGraph(3))
Expected:
    False
Got:
    Subgraph of (Subgraph of (RandomGNP(15,0.300000000000000))): Graph on 0 vertices
**********************************************************************
2 items had failures:
   2 of 279 in sage.graphs.graph.Graph.?
   1 of  14 in sage.graphs.graph.Graph.minor
    [1216 tests, 3 failures, 27.01 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/graphs/graph.py  # 3 doctests failed
----------------------------------------------------------------------
Total time for all tests: 27.2 seconds
    cpu time: 30.6 seconds
    cumulative wall time: 27.0 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 0.14s =============================
Running doctests with ID 2021-09-15-16-44-58-c811f686.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/calculus/calculus.py
**********************************************************************
File "src/sage/calculus/calculus.py", line 1290, in sage.calculus.calculus.limit
Failed example:
    limit(e^(-1/x), x=0, dir='left', algorithm='fricas')              # optional - fricas
Expected:
    +Infinity
Got:
    plusInfinity()
**********************************************************************
1 item had failures:
   1 of  72 in sage.calculus.calculus.limit
    [455 tests, 1 failure, 13.61 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/calculus/calculus.py  # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 13.7 seconds
    cpu time: 13.6 seconds
    cumulative wall time: 13.6 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 1.66s =============================
Running doctests with ID 2021-09-15-16-45-19-15da78b4.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/combinat/designs/incidence_structures.py
**********************************************************************
File "src/sage/combinat/designs/incidence_structures.py", line 2042, in sage.combinat.designs.incidence_structures.IncidenceStructure.?
Failed example:
    len(designs.steiner_triple_system(7).coloring())
Expected:
    3
Got:
    2
**********************************************************************
1 item had failures:
   1 of  35 in sage.combinat.designs.incidence_structures.IncidenceStructure.?
    [338 tests, 1 failure, 2.26 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/combinat/designs/incidence_structures.py  # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 2.4 seconds
    cpu time: 2.3 seconds
    cumulative wall time: 2.3 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 0.23s =============================
Running doctests with ID 2021-09-15-16-45-26-e6e3b2a5.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/tests/modular_group_cohomology.py
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 16, in sage.tests.modular_group_cohomology
Failed example:
    H = CohomologyRing(64,14,from_scratch=True)   # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[2]>", line 1, in <module>
        H = CohomologyRing(Integer(64),Integer(14),from_scratch=True)   # optional - p_group_cohomology
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1780, in __call__
        OUT = self._check_compatibility(CacheKey, self._get_p_group_from_cache_or_db(GStem, KEY, **extras) or self._get_p_group_from_scratch(KEY, q, GStem, GroupName, **extras))
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1318, in _get_p_group_from_scratch
        OUT = COHO(KEY[0],KEY[1], **extras)
      File "pGroupCohomology/cohomology.pyx", line 3111, in pGroupCohomology.cohomology.COHO.__init__
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 837, in lib
        self.eval('LIB "%s"' % lib)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 634, in eval
        raise SingularError('Singular error:\n%s'%s)
    sage.interfaces.singular.SingularError: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 14: `LIB "poly.lib";`
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 17, in sage.tests.modular_group_cohomology
Failed example:
    H.make()                                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[3]>", line 1, in <module>
        H.make()                                      # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 19, in sage.tests.modular_group_cohomology
Failed example:
    H0 = CohomologyRing(64,14)                    # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1223, in _get_p_group_from_cache_or_db
        OUT = load(os.path.join(root_workspace,file_name)) # realpath here?
      File "sage/misc/persist.pyx", line 187, in sage.misc.persist.load (build/cythonized/sage/misc/persist.c:2940)
        with open(filename, 'rb') as fobj:
      File "sage/misc/persist.pyx", line 188, in sage.misc.persist.load (build/cythonized/sage/misc/persist.c:2890)
        X = loads(fobj.read(), compress=compress, **kwargs)
      File "sage/misc/persist.pyx", line 972, in sage.misc.persist.loads (build/cythonized/sage/misc/persist.c:7619)
        ans = unpickler.load()
      File "pGroupCohomology/cohomology.pyx", line 219, in pGroupCohomology.cohomology.COHO_unpickle
      File "pGroupCohomology/cohomology.pyx", line 3880, in pGroupCohomology.cohomology.COHO.__setstate__
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 837, in lib
        self.eval('LIB "%s"' % lib)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 634, in eval
        raise SingularError('Singular error:\n%s'%s)
    sage.interfaces.singular.SingularError: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 22: `LIB "poly.lib";`

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[5]>", line 1, in <module>
        H0 = CohomologyRing(Integer(64),Integer(14))                    # optional - p_group_cohomology
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1780, in __call__
        OUT = self._check_compatibility(CacheKey, self._get_p_group_from_cache_or_db(GStem, KEY, **extras) or self._get_p_group_from_scratch(KEY, q, GStem, GroupName, **extras))
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1229, in _get_p_group_from_cache_or_db
        raise IOError("Saved data at %s are not readable: %s"%(os.path.join(root_local_sources,file_name), msg))
    OSError: Saved data at /usr/local/sage-9/local/share/pGroupCohomology/64gp14/H64gp14.sobj are not readable: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 22: `LIB "poly.lib";`
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 20, in sage.tests.modular_group_cohomology
Failed example:
    H.is_isomorphic(H0)                           # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[6]>", line 1, in <module>
        H.is_isomorphic(H0)                           # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 27, in sage.tests.modular_group_cohomology
Failed example:
    H = CohomologyRing(27,4)                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[7]>", line 1, in <module>
        H = CohomologyRing(Integer(27),Integer(4))                      # optional - p_group_cohomology
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1780, in __call__
        OUT = self._check_compatibility(CacheKey, self._get_p_group_from_cache_or_db(GStem, KEY, **extras) or self._get_p_group_from_scratch(KEY, q, GStem, GroupName, **extras))
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1318, in _get_p_group_from_scratch
        OUT = COHO(KEY[0],KEY[1], **extras)
      File "pGroupCohomology/cohomology.pyx", line 3111, in pGroupCohomology.cohomology.COHO.__init__
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 837, in lib
        self.eval('LIB "%s"' % lib)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 634, in eval
        raise SingularError('Singular error:\n%s'%s)
    sage.interfaces.singular.SingularError: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 27: `LIB "poly.lib";`
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 28, in sage.tests.modular_group_cohomology
Failed example:
    H.make()                                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[8]>", line 1, in <module>
        H.make()                                      # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 29, in sage.tests.modular_group_cohomology
Failed example:
    print(H)                                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[9]>", line 1, in <module>
        print(H)                                      # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 48, in sage.tests.modular_group_cohomology
Failed example:
    H.5.massey_power()                            # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[10]>", line 1, in <module>
        H.gen(5).massey_power()                            # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 50, in sage.tests.modular_group_cohomology
Failed example:
    H.5.massey_power().as_polynomial()            # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[11]>", line 1, in <module>
        H.gen(5).massey_power().as_polynomial()            # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 52, in sage.tests.modular_group_cohomology
Failed example:
    H.essential_ideal()                           # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[12]>", line 1, in <module>
        H.essential_ideal()                           # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 55, in sage.tests.modular_group_cohomology
Failed example:
    ascii_art(H.bar_code('LowerCentralSeries')[2])# optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[13]>", line 1, in <module>
        ascii_art(H.bar_code('LowerCentralSeries')[Integer(2)])# optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 64, in sage.tests.modular_group_cohomology
Failed example:
    H = CohomologyRing(libgap.AlternatingGroup(6),  # optional - p_group_cohomology
                       GroupName="A(6)", prime=2,
                       from_scratch=True)
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1223, in _get_p_group_from_cache_or_db
        OUT = load(os.path.join(root_workspace,file_name)) # realpath here?
      File "sage/misc/persist.pyx", line 187, in sage.misc.persist.load (build/cythonized/sage/misc/persist.c:2940)
        with open(filename, 'rb') as fobj:
      File "sage/misc/persist.pyx", line 188, in sage.misc.persist.load (build/cythonized/sage/misc/persist.c:2890)
        X = loads(fobj.read(), compress=compress, **kwargs)
      File "sage/misc/persist.pyx", line 972, in sage.misc.persist.loads (build/cythonized/sage/misc/persist.c:7619)
        ans = unpickler.load()
      File "pGroupCohomology/cohomology.pyx", line 219, in pGroupCohomology.cohomology.COHO_unpickle
      File "pGroupCohomology/cohomology.pyx", line 3880, in pGroupCohomology.cohomology.COHO.__setstate__
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 837, in lib
        self.eval('LIB "%s"' % lib)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/interfaces/singular.py", line 634, in eval
        raise SingularError('Singular error:\n%s'%s)
    sage.interfaces.singular.SingularError: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 35: `LIB "poly.lib";`

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[14]>", line 1, in <module>
        H = CohomologyRing(libgap.AlternatingGroup(Integer(6)),  # optional - p_group_cohomology
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1919, in __call__
        HSyl = CohomologyRing(SylowId[0],SylowId[1], useElimination=kwds.get('useElimination'), auto=kwds.get('auto'), useFactorization=kwds.get('useFactorization'))
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1780, in __call__
        OUT = self._check_compatibility(CacheKey, self._get_p_group_from_cache_or_db(GStem, KEY, **extras) or self._get_p_group_from_scratch(KEY, q, GStem, GroupName, **extras))
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/pGroupCohomology/factory.py", line 1229, in _get_p_group_from_cache_or_db
        raise IOError("Saved data at %s are not readable: %s"%(os.path.join(root_local_sources,file_name), msg))
    OSError: Saved data at /usr/local/sage-9/local/share/pGroupCohomology/8gp3/H8gp3.sobj are not readable: Singular error:
       ? cannot open poly.lib
       ? error occurred in or before STDIN line 35: `LIB "poly.lib";`
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 67, in sage.tests.modular_group_cohomology
Failed example:
    H.make()                                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[15]>", line 1, in <module>
        H.make()                                      # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
File "src/sage/tests/modular_group_cohomology.py", line 68, in sage.tests.modular_group_cohomology
Failed example:
    print(H)                                      # optional - p_group_cohomology
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.tests.modular_group_cohomology[16]>", line 1, in <module>
        print(H)                                      # optional - p_group_cohomology
    NameError: name 'H' is not defined
**********************************************************************
1 item had failures:
  14 of  18 in sage.tests.modular_group_cohomology
    [17 tests, 14 failures, 0.56 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/tests/modular_group_cohomology.py  # 14 doctests failed
----------------------------------------------------------------------
Total time for all tests: 0.6 seconds
    cpu time: 0.4 seconds
    cumulative wall time: 0.6 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 0.00s =============================
Running doctests with ID 2021-09-15-16-45-30-6a7098fa.
Git branch: develop
Using --optional=4ti2,_recommended,barvinok,build,cunningham_tables,d3js,database_jones_numfield,database_kohel,database_symbolic_data,debian,dochtml,dot2tex,e_antic,fricas,frobby,gap_jupyter,glucose,igraph,jupyter_packaging,lidia,meataxe,ninja_build,p_group_cohomology,pandoc_attributes,pip,polylib,polytopes_db_4d,pysingular,sage,sage_numerical_backends_coin,sage_spkg,singular_jupyter,sirocco,symengine,symengine_py,tides,topcom
Doctesting 1 file.
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/schemes/curves/zariski_vankampen.py
**********************************************************************
File "src/sage/schemes/curves/zariski_vankampen.py", line 199, in sage.schemes.curves.zariski_vankampen.segments
Failed example:
    segments(disc) # optional - sirocco # abs tol 1e-15
Expected:
    [(-2.84740787203333 - 2.84740787203333*I,
    -2.14285714285714 + 1.11022302462516e-16*I),
    (-2.84740787203333 + 2.84740787203333*I,
    -2.14285714285714 + 1.11022302462516e-16*I),
    (2.50000000000000 + 2.50000000000000*I,
    1.26513881334184 + 2.19128470333546*I),
    (2.50000000000000 + 2.50000000000000*I,
    2.50000000000000 - 2.50000000000000*I),
    (1.26513881334184 + 2.19128470333546*I, 0.000000000000000),
    (0.000000000000000, 1.26513881334184 - 2.19128470333546*I),
    (2.50000000000000 - 2.50000000000000*I,
    1.26513881334184 - 2.19128470333546*I),
    (-2.84740787203333 + 2.84740787203333*I,
    1.26513881334184 + 2.19128470333546*I),
    (-2.14285714285714 + 1.11022302462516e-16*I, 0.000000000000000),
    (-2.84740787203333 - 2.84740787203333*I,
    1.26513881334184 - 2.19128470333546*I)]
Got:
    [(2.50000000000000 - 2.50000000000000*I,
      1.26513881334184 - 2.19128470333546*I),
     (-2.84740787203333 - 2.84740787203333*I,
      1.26513881334184 - 2.19128470333546*I),
     (2.50000000000000 + 2.50000000000000*I,
      2.50000000000000 - 2.50000000000000*I),
     (1.11022302462516e-16 + 1.11022302462516e-16*I,
      1.26513881334184 + 2.19128470333546*I),
     (1.11022302462516e-16 + 1.11022302462516e-16*I,
      -2.14285714285714 + 1.11022302462516e-16*I),
     (1.26513881334184 + 2.19128470333546*I,
      -2.84740787203333 + 2.84740787203333*I),
     (-2.14285714285714 + 1.11022302462516e-16*I,
      -2.84740787203333 + 2.84740787203333*I),
     (2.50000000000000 + 2.50000000000000*I,
      1.26513881334184 + 2.19128470333546*I),
     (1.26513881334184 - 2.19128470333546*I,
      1.11022302462516e-16 + 1.11022302462516e-16*I),
     (-2.84740787203333 - 2.84740787203333*I,
      -2.14285714285714 + 1.11022302462516e-16*I)]
**********************************************************************
1 item had failures:
   1 of   6 in sage.schemes.curves.zariski_vankampen.segments
    [56 tests, 1 failure, 165.08 s]
----------------------------------------------------------------------
sage -t --long --warn-long 223.4 --random-seed=0 src/sage/schemes/curves/zariski_vankampen.py  # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 165.1 seconds
    cpu time: 1.3 seconds
    cumulative wall time: 165.1 seconds
============================= test session starts ==============================
platform linux -- Python 3.9.7, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
rootdir: /usr/local/sage-9/src, configfile: tox.ini
collected 0 items

============================ no tests ran in 0.01s =============================

Justin C. Walker

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Sep 15, 2021, 6:24:22 PM9/15/21
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> On Sep 14, 2021, at 15:50 , Volker Braun <vbrau...@gmail.com> wrote:
>
> As always, you can get the latest beta version from the "develop" git branch. Alternatively, the self-contained source tarball is at http://www.sagemath.org/download-latest.html

Same issue as for 9.5.b1: openssl failed to build.

I am attaching the log file for this, in case it provides clues.

Justin

openssl-3.0.0-beta2.log

Matthias Köppe

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Sep 15, 2021, 6:33:40 PM9/15/21
to sage-release
Are you able to update Xcode on this system? Alternatively, could you try the OpenSSL upgrade in https://trac.sagemath.org/ticket/32499?

Darwin Kronecker.local 17.7.0 Darwin Kernel Version 17.7.0: Fri Oct 30 13:34:27 PDT 2020; root:xnu-4570.71.82.8~1/RELEASE_X86_64 x86_64
****************************************************
C compiler: gcc
C compiler version:
Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 10.0.0 (clang-1000.10.44.4)
Target: x86_64-apple-darwin17.7.0

Justin C. Walker

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Sep 15, 2021, 6:41:49 PM9/15/21
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I am loathe to update Xcode.

In addition, it appears that I have never installed Xcode, and only have the command-line tools for 10.14.1.

I will try on two newer-ish systems (10.14.6, 10.15.7), and let you the results.

Justin
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--
Justin C. Walker, Curmudgeon at Large
Institute for the Absorption of Federal Funds
-----------
I want to die, peacefully in my sleep, like my grandfather;
not screaming in terror, like his passengers.




Matthias Köppe

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Sep 15, 2021, 7:00:18 PM9/15/21
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Yes, the Xcode Command-Line Tools is what I meant.

Justin C. Walker

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Sep 15, 2021, 7:14:11 PM9/15/21
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Odd though it may be, my 10.14.6 system seems to have the same (or at least similar) command-line tools installed.

The build is still in progress, but reports that open-ssl.3.0.0-beta2 has successfully been installed.

I will poke around some more.
> To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/2e6a2014-bc62-4388-aefd-23e75b6d2704n%40googlegroups.com.

--
Justin C. Walker, Curmudgeon at Large
Director
Institute for the Enhancement of the Director's Income
-----------
Nobody knows the trouble I've been
-----------



Emmanuel Charpentier

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Sep 16, 2021, 7:08:35 AM9/16/21
to sage-release

Curiously, on another Debian testing system, I get only the failures of src/sage/doctest/test.py and src/sage/tests/cmdline.py (which were already reported for previous versions).

I’ll try to reinstall singular and test again.

axio...@yahoo.de

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Sep 16, 2021, 9:11:33 AM9/16/21
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I opened https://trac.sagemath.org/ticket/32525 for the limit/FriCAS failure.  Can you check without too much work which release or even commit caused the failure?

Best wishes,

Martin

Emmanuel Charpentier

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Sep 16, 2021, 10:15:30 AM9/16/21
to sage-release

Le jeudi 16 septembre 2021 à 15:11:33 UTC+2, axio…@yahoo.de a écrit :

I opened https://trac.sagemath.org/ticket/32525 for the limit/FriCAS failure.  Can you check without too much work which release or even commit caused the failure?

Nope : I had a hunch about possible interference of installed packages, bit the bullet and make distclean && make. So far, the resulting Sage, without any complementary package, passes all tests that failed with the previous versions. Next tests :

  • run ptestlong on this “naked” sage
  • reinstall the optional packages
  • re-run ptestlong.

But this will have to wait a bit…

HTH,

[ Snip… ]


Emmanuel Charpentier

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Sep 16, 2021, 10:22:26 AM9/16/21
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Data point : reinstalling Fricas gets me the `plusInfinity()/+Infinity` failure in `src/sage/calculus/calculus.py`

HTH,

axio...@yahoo.de

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Sep 16, 2021, 11:19:29 AM9/16/21
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Do you have easy access to previous sage releases? I don't see a reason why this test would have passed...

Martin

axio...@yahoo.de

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Sep 16, 2021, 11:41:02 AM9/16/21
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possibly https://trac.sagemath.org/ticket/31849 is the culprit for the limit/FriCAS failure

Justin C. Walker

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Sep 16, 2021, 12:19:51 PM9/16/21
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Ok, here’s what I’ve got:

- 10.15.7: as previously reported, build completed and all tests passed.
- 10.14.6: build completed, testing yielded three failures, all well-known (base.py, bipartite_graph.py, external.py).

Hard to tell for sure what version of the tool chain I have installed, but using “xcrun —show-sdk-version”, I get
10.13: 10.14.1 (Xcode not installed)
10.14: 10.14 (with Xcode 10.14 installed)

HTH

Justin
> To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/2e6a2014-bc62-4388-aefd-23e75b6d2704n%40googlegroups.com.

--
Justin C. Walker, Curmudgeon at Large
Institute for the Absorption of Federal Funds
-----------
I'm beginning to like the cut of his jibberish.
-----------



Emmanuel Charpentier

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Sep 16, 2021, 1:50:00 PM9/16/21
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One more data point : ptestlong running on the “naked” 9.1.beta1 + Fricas gives the single limit failure.

axio...@yahoo.de

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Sep 16, 2021, 3:23:00 PM9/16/21
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Is 9.1.beta1 a typo? (Should it be 9.5.beta1?)

Emmanuel Charpentier

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Sep 17, 2021, 1:43:29 AM9/17/21
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Yep. Mea culpa...

axio...@yahoo.de

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Sep 17, 2021, 8:10:05 AM9/17/21
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The limit/fricas failure is now ready for review at https://trac.sagemath.org/ticket/32525

Emmanuel Charpentier

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Sep 18, 2021, 3:53:25 PM9/18/21
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So far :

  • 9.5.beta1 “naked” passes ptestlong without any failure ;
  • 9.5.beta1 +Fricas fails the single fricas limit doctest ;
  • reinstalling the other optional packages entails the same failures as reported above.

The problem is that I do not know which optional package is responsible for which failure. The problem us compunded by the absence of a (documented) way to uninstall a given package.

Suggestions ?

Dima Pasechnik

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Sep 18, 2021, 5:53:00 PM9/18/21
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On Sat, Sep 18, 2021 at 8:53 PM Emmanuel Charpentier
<emanuel.c...@gmail.com> wrote:
>
> So far :
>
> 9.5.beta1 “naked” passes ptestlong without any failure ;
> 9.5.beta1 +Fricas fails the single fricas limit doctest ;
> reinstalling the other optional packages entails the same failures as reported above.
>
> The problem is that I do not know which optional package is responsible for which failure. The problem us compunded by the absence of a (documented) way to uninstall a given package.

make <package-name>-clean

should remove <package-name>


>
> Suggestions ?
>
> Le jeudi 16 septembre 2021 à 19:50:00 UTC+2, Emmanuel Charpentier a écrit :
>>
>> One more data point : ptestlong running on the “naked” 9.1.beta1 + Fricas gives the single limit failure.
>>
>> Le jeudi 16 septembre 2021 à 16:22:26 UTC+2, Emmanuel Charpentier a écrit :
>>>
>>> Data point : reinstalling Fricas gets me the `plusInfinity()/+Infinity` failure in `src/sage/calculus/calculus.py`
>>>
>>> HTH,
>>>
>>> Le jeudi 16 septembre 2021 à 16:15:30 UTC+2, Emmanuel Charpentier a écrit :
>>>>
>>>> Le jeudi 16 septembre 2021 à 15:11:33 UTC+2, axio…@yahoo.de a écrit :
>>>>>
>>>>> I opened https://trac.sagemath.org/ticket/32525 for the limit/FriCAS failure. Can you check without too much work which release or even commit caused the failure?
>>>>
>>>> Nope : I had a hunch about possible interference of installed packages, bit the bullet and make distclean && make. So far, the resulting Sage, without any complementary package, passes all tests that failed with the previous versions. Next tests :
>>>>
>>>> run ptestlong on this “naked” sage
>>>> reinstall the optional packages
>>>> re-run ptestlong.
>>>>
>>>> But this will have to wait a bit…
>>>>
>>>> HTH,
>>>>
>>>> [ Snip… ]
>>>>>>>
>>>>>>>
> --
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Samuel Lelievre

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Sep 23, 2021, 8:39:45 AM9/23/21
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2021-09-14 22:50:30 UTC, Volker Braun:

c349c87d0d (tag: 9.5.beta1, trac/develop) Updated SageMath version to 9.5.beta1

Thanks for this new release.

In Cygwin 3.2.0 in Windows 10:

```bash
$ export MAKE='make -j4' && ./bootstrap -q && ./configure -q && make -s V=0 && make -s V=0 ptestlong
...
----------------------------------------------------------------------
sage -t --long --warn-long 251.2 --random-seed=0 src/sage/misc/persist.pyx  # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 10096.3 seconds
    cpu time: 32053.6 seconds
    cumulative wall time: 59597.3 seconds
Pytest is not installed, skip checking tests that rely on it.
make: *** [Makefile:201: ptestlong] Error 1

$ ./sage -t --long -a --failed
Running doctests with ID 2021-09-22-10-35-59-a9965c51.
Git branch: develop
Using --optional=build,cygwin,dochtml,pip,sage,sage_spkg
Doctesting entire Sage library.
Only doctesting files that failed last test.
Doctesting 1 file.
sage -t --long --warn-long 278.3 --random-seed=0 src/sage/misc/persist.pyx
**********************************************************************
File "src/sage/misc/persist.pyx", line 1018, in sage.misc.persist.picklejar
Failed example:
    if uid==0:
        raise OSError('You must not run the doctests as root, geez!')
    elif sys.platform == 'cygwin':
        raise OSError("This won't always behave on Cygwin depending on permission handling configuration.")
    else:
        sage.misc.persist.picklejar(1, dir + '/noaccess')

Expected:
    Traceback (most recent call last):
    ...
    PermissionError: ...
Got:
    <BLANKLINE>

    Traceback (most recent call last):
      File "/home/s/sage9h/local/lib/python3.8/site-packages/sage/doctest/forker.py", line 704, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/home/s/sage9h/local/lib/python3.8/site-packages/sage/doctest/forker.py", line 1098, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.misc.persist.picklejar[7]>", line 4, in <module>
        raise OSError("This won't always behave on Cygwin depending on permission handling configuration.")
    OSError: This won't always behave on Cygwin depending on permission handling configuration.

**********************************************************************
1 item had failures:
   1 of  10 in sage.misc.persist.picklejar
    [139 tests, 1 failure, 11.17 s]
----------------------------------------------------------------------
sage -t --long --warn-long 278.3 --random-seed=0 src/sage/misc/persist.pyx  # 1 doctest failed
----------------------------------------------------------------------
Total time for all tests: 12.0 seconds
    cpu time: 1.3 seconds
    cumulative wall time: 11.2 seconds
Pytest is not installed, skip checking tests that rely on it.
```

That failure is already addressed at:

  Sage Trac ticket 32514
  Fix file permission doctest in src/sage/misc/persist.pyx
  https://trac.sagemath.org/ticket/32514

so hopefully the next beta can pass all tests in Cygwin!  --Samuel

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