Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c0453c20ce7541578c82705db97319f2 : SUCCESS in 4m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d86eabe8d98f4eafa7618ea7fc4e5696 : FAILURE in 4m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f20d57e6f934429bb4a94a99160b99e4 : SUCCESS in 3m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/695c79997d364831b7cd798ab4739c78 : SUCCESS in 4m 26s