Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e3288f92a313485582154eafb488f35e : FAILURE in 3m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/01dc293598f0498f95718adece259a9c : FAILURE in 4m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e08d6256d04c4025af59bd85f01cea52 : FAILURE in 4m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9a11f9d0256f4a299969b1d0cfc25e12 : FAILURE in 4m 25s