Build failed. https://zuul.opendev.org/t/openstack/buildset/837fa3de368349bd8dfe42ffdf3db622 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9a7c2ae3b55540739465a744fd61dbc1 : FAILURE in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a363c1c8506f4309817ccc79a77b7572 : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/90b706e26391439c86a2161bdf1e34f6 : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a992837b03964063a09028be5565ec30 : SUCCESS in 4m 00s