Comment 51 for bug 1282865

I believe the pin was just a cautionary convention, and not strictly necessary.

python-keystoneclient 0.3.0 didn't even exist (released Sun Jun 23 16:20:39 2013) when the pin was created (Sat Nov 17 14:45:18 2012) in pip requires:

  https://github.com/openstack/keystone/commit/e59360da677c4cd3f6a6391cfebb973c11e2ee47

Backporting to 0.2.5 looks to be fairly ugly, but I'm playing around with it now.