Build failed. https://zuul.opendev.org/t/openstack/buildset/6d554555160a455b81db15d0fc354b0e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/49355b5dd7344aedb72e889ccc439fd6 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/520c05d4ee9b40a3a3a5b3710251f6e9 : SUCCESS in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6d42bd86267f4f9ba10ff94e611da804 : SUCCESS in 6m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/245bc2ec17184a0ab726e2f6f0347b39 : FAILURE in 2m 53s