Updated openstack/openstack
Project: openstack/keystone  c95fdbc5c54052eec30663b7ac82349c6539e2d2

Fixes test_wsgi for Python3

- The response body is a byte string in Python 3
- Exception.message no longer exists in Python 3

bp python3

Change-Id: I7aec5030feeebd304428174c77ce7793fa321c26