Build failed. https://zuul.opendev.org/t/openstack/buildset/5b8e1fd72acb45028a3ca1886b5a8cc7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a5fc65fac70c4bbea0652e8e2fe9d823 : FAILURE in 5m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/78b7b03d908f44eea3c7d40d1178567a : SUCCESS in 4m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/318afe8ca3e943e3b77533e417feaafc : SUCCESS in 5m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3199c1b9ad0548e0879981e69f6b9884 : SUCCESS in 5m 38s