Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f6157beb925e43eb95dac8aa84aa280c : SUCCESS in 4m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/695265192af04908878e2f57f8c0636d : FAILURE in 3m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/68a8fe962e374999b78211b8a6da38a0 : SUCCESS in 4m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/aadb3b8def154b56bbbe04aadcf7b31e : SUCCESS in 4m 39s