sympy/csympy — pull request #221 by certik (2014-06-27 23:07:28+00:00)
Title: Travis: Test Python in out of tree build

By default we should be using out of tree build, so we now test that by
default. The in tree build is only tested few times so that it works (both with
and without Python 2.7), but for all the Python versions, we just check the out
of tree build.