Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ccc8824d55b14be3a8971291ee2f4518 : SUCCESS in 7m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2083e1d498a945caa233d79de8a298ce : FAILURE in 2m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1c22f70a44534284bb69ada46dec72ce : SUCCESS in 4m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e7bc3d88ad354e47a838798e9cd18de5 : SUCCESS in 5m 15s