Updated openstack/openstack
Project: openstack/tempest  aeee47dc48f9b7b176ea3e3880473c804e8cebfa
null
Fix usage of NotImplementedError exceptions in auth classes

NotImplemented (which is a constant) was used instead the exception
NotImplementedError.

Change-Id: I9d6b75ae47c1ec31061234221a5dbf9ab6f9caee