Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4d204724fd8740d58f35cbf37263977d : SUCCESS in 5m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/28c12d0c2cd04374b58137c9b4bd8142 : FAILURE in 4m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/61c0aa07684f489991f34f1f6fc15197 : SUCCESS in 6m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/27940c78654c4b2aa9d2d01b8e663f49 : SUCCESS in 5m 18s