Build failed. https://zuul.opendev.org/t/openstack/buildset/896f0d8dffdc45eb98656c6045249b77 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f0779af8ec404472be87711cb74a3168 : FAILURE in 5m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e5ef0a07429b4054845ebbd926b28e49 : FAILURE in 5m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7f99da98f7134dd98683ca835ac7ede4 : FAILURE in 4m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c2b277f11e4e40bfad4b81a8e76232f3 : FAILURE in 4m 53s