[MATRIX-SIG] umathmodule and exceptions

[David Ascher]

> I'm pretty sure that cos is an attribute of the umath module:

Found the problem.  umath.cos is smarter than I realized, and will call a
method of a class instance if found.  Witness:

>>> class A:
...     def cos(self):
...             return 1.0
...
>>> umath.cos(A())
1.0

So it is an attribute error (your class had no 'cos' method defined), but
I agree the error message could be more informative.

Hope this helps.

--da


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