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Per Doug's email[0], 'warnerrors' in setup.cfg hasn't actually been working for some time now, and we've piled up a few warnings. Fix these before a pbr release to unbreak it gets pushed out and breaks our doc builds. [0] http://lists.openstack.org/pipermail/openstack-dev/2016-June/097849.html Change-Id: I6576a56234918febb21e7e4860544eb952123c09