Ignore warning from sqlalchemy-migrate
Ignore warning from sqlalchemy-migrate

This has been fixed but not released. Another warning is updated since
modules don't have .py extensions.

Change-Id: Iaa93b9743214300597650040c1cd34699f12ab3f
Signed-off-by: Stephen Finucane <492121341a95b3c3aab646bed44634f739dd019b@redhat.com>
Related-Bug: #1813147

rahulunair/nova,openstack/nova,mahak/nova,rahulunair/nova,klmitch/nova,klmitch/nova,openstack/nova,rahulunair/nova,mahak/nova,openstack/nova,klmitch/nova,mahak/nova,klmitch/nova