numpy/numpy — pull request #2850 by certik (2012-12-21 01:14:47+00:00)
Title: TST: Replace Python 3.1 test with 3.3.

Travis does not support 3.1 anymore, but supports 3.3. See:

https://groups.google.com/d/topic/travis-ci/02iRu6kmwY8/discussion