Updated openstack/openstack
Project: openstack/sahara  3235000151e2b3cf01d6ba68f5409e3662b67f70

Fix old style class declaration

Use new style (inherit from `object`) instead of old style class declaration

Change-Id: Ife13065cce0213984eed6f909e89dabb15ecbd44
Closes-Bug: #1380723