pydata/pandas — pull request #1806 by minrk (2012-08-23 18:41:37+00:00)
Title: undo dumb setuptools bug clobbering .pyx sources back to .c

setuptools (not distribute) will replace '.pyx' extensions with '.c' if
*pyrex* is not importable. This checks if that happened, and reverses it if
so.

closes #1805