Updates:
Labels: -NeedsBetterPatch NeedsReview
Comment #9 on issue 1864 by basti.kr: AttributeError: is_commutative with
Mul(Pow(2, 2, evaluate=False), 3, evaluate=False) + 1
http://code.google.com/p/sympy/issues/detail?id=1864
I don't think it's much of an improvement to use arbitrary complex examples
to test
some specific functionality if much shorter examples exist which test for
exactly the
same. Of course this more complex test might by chance catch some other
error in the
future but this error will have other reasons which imho should have been
tested
somewhere else. Just adding random tests hoping they cover cases not tested
yet is
just raising the runtime of the test suite with only little gain.
That said, I implemented the requested test - it can be pulled from the
same location.
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