Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium Assumptions EasyToFix
New issue 2446 by [email protected]: as_dummy fails when symbol
assumptions are set
http://code.google.com/p/sympy/issues/detail?id=2446
x = Symbol('x', real=True)
x.as_dummy()
71 def as_dummy(self):
---> 72 return Dummy(self.name, self.is_commutative,
**self.assumptions0)
TypeError: __new__() got multiple values for keyword argument 'commutative'
This happens because the signature of Dummy.__new__ is
def __new__(cls, name=None, commutative=True, **assumptions)
so if assumptions['commutative'] is already set, the error is triggered.
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