Build failed. https://zuul.opendev.org/t/openstack/buildset/7c7b5b92a68c49298f093ba27295c099 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d954f207e0314c89ad8fc5ded2bbbd0a : FAILURE in 2m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8eff19c9290240b3bbb5649e1e2d5273 : SUCCESS in 3m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5439627b2f4d4437a8160d299e2074a7 : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/821b5b2d0a564658b285092d61da4062 : SUCCESS in 3m 51s