Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e7c65ad5c4374a71825f7603d28a4a13 : SUCCESS in 5m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6d0d30ead7ad4e4dacd7c6b8864d8e5e : SUCCESS in 9m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d3b905aa6234cf4866c1cf36fdbf89a : SUCCESS in 6m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6e67661cb5fc4068bc51804dd2ad1348 : FAILURE in 4m 18s