Build failed. https://zuul.opendev.org/t/openstack/buildset/ffc1e154f730495d82c53b6d451d1bbc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bfd4a5c38be44fe387beecf599be33cf : FAILURE in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d1572528357440d8baf8eedf19f56390 : SUCCESS in 4m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/891c354535054821949416604d497aaf : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/012ea206f603405585511363ac779bee : SUCCESS in 3m 34s