Build failed. https://zuul.opendev.org/t/openstack/buildset/c72e895d5b89426b953022f572e2fbf6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/41f6049552a642b2a14e7223771e78eb : SUCCESS in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4fe805d7d70943db87875970391f9b3a : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7e92ac3902174e18a1c81e2a45779178 : SUCCESS in 3m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d1eff5258034417ca696935b584f3459 : SUCCESS in 3m 52s