pydata/pandas — pull request #4573 by jtratner (2013-08-14 22:45:08+00:00)
Title: BUG: Fix incorrect urlparse in _is_s3_url

Guess this got reverted/messed up during rebasing, but needs to be
changed - urlparse is no longer imported in io/common (in favor of py2/3
compatible methods).

I added a dumb test case so it at least gets called going forward.