Build failed. https://zuul.opendev.org/t/openstack/buildset/3016f48c0dca4bd7ad60a1de7952fd3c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/47997ffce8744211a6b97a3caacacd10 : FAILURE in 12m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c7ace6ae0eef42e389d9eb5e161fc416 : SUCCESS in 7m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a337719456c64c4bbed6dc7b2d920bba : SUCCESS in 5m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d2ad5cb35f9446da6c34b62ec79b3f7 : SUCCESS in 6m 21s