Comment 2 for bug 1811876

Reviewed: https://review.openstack.org/623956
Committed: https://git.openstack.org/cgit/openstack/sqlalchemy-migrate/commit/?id=f44d07956a2827484cddeee161cbd7724229f92f
Submitter: Zuul
Branch: master

commit f44d07956a2827484cddeee161cbd7724229f92f
Author: Chih-Hsuan Yen <email address hidden>
Date: Mon Dec 10 00:23:08 2018 +0800

    Get rid of psycopg2 warnings by disabling wheels

    The psycopg2 wheel package warnings are causing some tests
    to fail which expect there to be no stderr output. This fixes
    the problem by not using the wheel binary for that package.

    Closes-Bug: #1811876

    Change-Id: Id43e74d8d343ab4e80d1d246543bada1ed4d06ad