sympy/sympy — pull request #2581 by Tempel (2013-11-11 00:33:22+00:00)
Title: Matrix pinv: correct XFAILed test.

Addendum to pull request 2571. One test was marked as XFAIL, so I didn't
notice that it had been set up incorrectly. Fixed and expanded; whenever
rank-deficient matrices are supported, this test will be ready to go.