Updated openstack/openstack
Project: openstack/sahara  29026c88a1a0528ca9a73a941cb9d49015d83342

Fix use of novaclient.exceptions.NotFound

test_instances was passing code=404 to NotFound's constructor, which
does not take a named code parameter.

Change-Id: I9235abe3a568bcdac7539cbfb716500b45abec3b