Updated openstack/openstack
Project: openstack/keystone  181c3c1dcc2e6ab6cd0a6c59d3b0ef9610a6d893
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SQLAlchemy Change to support more strict dialect checking

Update a couple DELETE operations within the test_sql_upgrade test
case to support the more strict dialect checking that occurs in
0.9.3 of SQLAlchemy for "additional arguments".

Closes-Bug: #1286717
Change-Id: I82b57257a8b49d798d813c65e76757021676ba90