Build failed. https://zuul.opendev.org/t/openstack/buildset/f291aa381cf94929bff2a3bbcf3c3963 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bff85d8f9e864703a41b2ad28e69ce36 : FAILURE in 7m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2ba3e7af1ace41aab40ec76a915191d9 : SUCCESS in 5m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e04aaeab007a4c3092e1bb8661dea587 : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/902dee084c184e968cb6e64cebf4459a : SUCCESS in 6m 47s