Build failed. https://zuul.opendev.org/t/openstack/buildset/c320686a776a4cf982bb4ee08720e8ae - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e597a9cde24745c9a18f6091fdd8358a : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f41b76c3bfdc4245964e9442aa6c0cc4 : FAILURE in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7f80d72f62bc4604be135ab4084b36ce : SUCCESS in 6m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cde035cfe9c649b2bd2030a5274046af : SUCCESS in 4m 17s