sympy/sympy — pull request #2555 by skirpichev (2013-10-28 19:02:40+00:00)
Title: Split gmpy & matplotlib tests again (to 3 splits)

Examples of failures too common, imho:
https://travis-ci.org/sympy/sympy/builds/12838838
https://travis-ci.org/sympy/sympy/builds/13161040
etc