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/usr/bin/pip run on Sat Nov  8 14:03:54 2014
Cannot uninstall requirement pil, not installed

Exception information:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 104, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/uninstall.py", line 41, in run
    requirement_set.uninstall(auto_confirm=options.yes)
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 862, in uninstall
    req.uninstall(auto_confirm=auto_confirm)
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 410, in uninstall
    raise UninstallationError("Cannot uninstall requirement %s, not installed" % (self.name,))
UninstallationError: Cannot uninstall requirement pil, not installed