Build failed. https://zuul.opendev.org/t/openstack/buildset/9e1706098af8400d9abb515d422e6f78 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f42a453d1f4c4b9fa3eb5bd93e44cf59 : SUCCESS in 5m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/83382942dc494278a15f3d700ef5735c : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f75dbbd564f45738abdb0ac002b0680 : SUCCESS in 4m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ec6daec817f041749a781e0ba0c1bd16 : SUCCESS in 6m 03s