pypa/pip — pull request #1508 by dstufft (2014-01-27 13:13:15+00:00)
Title: Remove uses of sys.exc_info()[1]

Using sys.exc_info()[1] is a hack that was used to use a shared source approach to Python 3.x support that also included versions of Python that didn't include the ``except ... as exc:`` construction. Pip no longer supports any of these versions of Python so we can remove it.