Intersection(ImageSet(Lambda(t, (t, t)), Interval(0, 1)), ImageSet(Lambda(t, (1 - t, t)), Interval(0, 1)))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/eward/se/sympy/simplify/simplify.py", line 582, in simplify
return done(expr)
File "/home/eward/se/sympy/simplify/simplify.py", line 541, in done
rv = e.doit() if doit else e
File "/home/eward/se/sympy/core/basic.py", line 1691, in doit
for term in self.args]
File "/home/eward/se/sympy/core/basic.py", line 1691, in <listcomp>
for term in self.args]
File "/home/eward/se/sympy/sets/fancysets.py", line 460, in doit
return SetExpr(base_set)._eval_func(f).set
File "/home/eward/se/sympy/sets/setexpr.py", line 84, in _eval_func
res = set_function(func, self.set)
File "/home/eward/se/sympy/sets/sets.py", line 2255, in set_function
return _set_function(f, x)
File "/home/eward/se/sympy/multipledispatch/dispatcher.py", line 198, in __call__
return func(*args, **kwargs)
File "/home/eward/se/sympy/sets/handlers/functions.py", line 70, in _set_function
sing = [i for i in singularities(expr, var)
File "/home/eward/se/sympy/calculus/singularities.py", line 83, in singularities
if not expression.is_rational_function(symbol):
AttributeError: 'Tuple' object has no attribute 'is_rational_function'