Build failed. https://zuul.opendev.org/t/openstack/buildset/8f4d350aaeb1412fa31aeda880da4eb0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/311490fa512a44ffbdd4a64c5d685a45 : SUCCESS in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/170ec5ee8fcc49ad98a4a6bf72d69b50 : FAILURE in 4m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1d8901a04b054d50a9ee7eaf2421d4f4 : SUCCESS in 3m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/92bcf8f85ab14474a9d674f1961ddb24 : SUCCESS in 3m 38s