sympy/sympy — pull request #2219 by skirpichev (2013-06-28 20:07:34+00:00)
Title: Get rid of some unnecessary commented out code (issue 3750)

There is a lot of false positives (see [attached logs](http://code.google.com/p/sympy/issues/detail?id=3750#c1)), so I don't think that we should automate such cleanup.