Build failed. https://zuul.opendev.org/t/openstack/buildset/533a878819454fd294a106375af191f9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f1b58c4a00d3466bb9c7c9939b40611f : FAILURE in 6m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6213615a95e04cd69f92d5c2ce53b23d : SUCCESS in 7m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/101d063573444609a8fc03b9cad6307d : SUCCESS in 9m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f95cf3be94fd4c8c81be304f7fe54c79 : SUCCESS in 9m 07s