Build failed. https://zuul.opendev.org/t/openstack/buildset/a8c14d52c1c84c0dbb2e761a40f48ac7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/226c496c9624431bab83c13d3696bd08 : FAILURE in 6m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/975de422bf414c44bf6a19f9d53ab248 : SUCCESS in 6m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a0c6f9804e1e4ef2b24a5b85ede770e1 : SUCCESS in 6m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/55d156544cd1448587d1d53a92d9abc1 : SUCCESS in 5m 42s