Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f89455b84359440cb8337ceea1b5a44d : SUCCESS in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0aad87ae3dd4fa7a531fc4a40d29278 : FAILURE in 4m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/60ed98a35f0143a59b90698ff65b72a6 : SUCCESS in 3m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c182f83f2a5b4155a8eb56a9841217a0 : SUCCESS in 3m 51s