Build failed. https://zuul.opendev.org/t/openstack/buildset/19469f24af2f49fcbdc76d2bf90c6da7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fd292a7b951e4e46bb2a4af851d753d1 : FAILURE in 7m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e5fe046013194771a76c59dbd2036269 : SUCCESS in 5m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/45eb5f5fcec449b7ae79ef6950047dcd : SUCCESS in 4m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6b03084032a44f168027684c47c607b2 : SUCCESS in 5m 22s