Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fc2053b78845414a939e2263063623c4 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/101003c74bed403d9d7b13911f3b95be : FAILURE in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ed3e0ace69414f2eb33dc5e1558a24b4 : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ee08c0c1297a45f7bdfad566cf7fadff : SUCCESS in 6m 25s