sympy/sympy — pull request #750 by imranmanzoor (2011-11-24 01:46:43+00:00)
Title: made doctests run even if other tests fail

This is to fix the GCI issue:

http://code.google.com/p/sympy/issues/detail?id=1752

I removed the if-block and replaced it with 2 separate if-blocks. I also used a flag to test for failure, and exit with a non-zero code if that is the case.