Build failed. https://zuul.opendev.org/t/openstack/buildset/5a5641077f574a929ef9c086b940e12a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cebbcb98d1ae48a18453c3f3a0f34cb9 : FAILURE in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e1179ab42abb4bb4bec8f7d6c3fab1c4 : SUCCESS in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e8cc1f2aface4dcebfc0ecd13275972c : SUCCESS in 2m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f72c0c89702c4c55830b2e18236fc17d : SUCCESS in 3m 52s