Build failed. https://zuul.opendev.org/t/openstack/buildset/ce79b0352ab141aaa64f5dec69514daa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/013d755833cb45f68485e67bc8ef5c54 : FAILURE in 3m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3edd72282db14042bc4b692098f81a05 : SUCCESS in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/02c158e53f8740d7ba52f0cda8fd737f : SUCCESS in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f729274a0edd4cfda7b8df406334549c : SUCCESS in 3m 35s