Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/527cf51cf1944677bd48c962d2492456 : SUCCESS in 6m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/10380b323799480d8998897fbf3a9c55 : FAILURE in 12m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7ea41369bcc548b19cc740f5287fdfab : SUCCESS in 12m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6f285d6bfa9a4479b35690a08aa5d8cd : SUCCESS in 11m 16s