Build failed. https://zuul.opendev.org/t/openstack/buildset/82b811f069c644a093b381735b0818fe - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/44427a9f3509406fa48ad24b74fad8ac : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/553945158a8447fead9c046816949bb0 : FAILURE in 2m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2b47750ea83649f68f9225df3e84d335 : SUCCESS in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/688090a8854c4895a1674fade6ea17eb : SUCCESS in 3m 06s