Build failed. https://zuul.opendev.org/t/openstack/buildset/5bd7c9934f1945a8bedae3eec138ff3f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/125cab4acbb847108304f4f40af1f58a : SUCCESS in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e068e6306e5a4a3187be7bbc6f792bbc : FAILURE in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dd1fc8d14ee947dfa962a165fafe0561 : SUCCESS in 4m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf11831e7cc74367af409c383d0c3bd7 : SUCCESS in 3m 50s