Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/041f57038cc541cfb253e1aec91ad2ed : SUCCESS in 9m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e8d175a46d1741df97ea14f17d4da679 : FAILURE in 8m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5b799bcbf3bc466bb48f18b584038570 : SUCCESS in 8m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/596566c87e2c4647af0cf6e53a952339 : SUCCESS in 8m 59s