Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0ff5e5405a4f4f30b94e84612da449a6 : SUCCESS in 7m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a9dd839bf68943fbbd173c07fee7bddf : FAILURE in 4m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8ebe2b975acf4239ac9dc8679a8bc707 : SUCCESS in 4m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/45c3239e810742a28b0c2200300a4c1d : SUCCESS in 6m 17s