pypa/pip — pull request #873 by dgladkov (2013-03-29 14:28:20+00:00)
Title: fix distlib import error

Reproduce import bug:

>>> from pip.vendor.distlib.locators import get_all_distribution_names
import pkg_resources
Traceback (most recent call last):
File "", line 1, in
ImportError: No module named vendor.distlib.locators