pydata/pandas — pull request #4063 by cpcloud (2013-06-27 19:53:37+00:00)
Title: TST/BUG: fix 2to3 import rewrite of import pickle

In pandas.io.pickle the following statement will not allow python to import
anything due to the following rewrite by 2to3

import pickle -> from . import pickle

This makes the import try to import itself ad infinitum and thus fails.

closes #4062