Build failed. https://zuul.opendev.org/t/openstack/buildset/ac2f3fbda3cf4df9a86d2aca36e3a066 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cb34ebfaa4884e75a94c23aea353026c : FAILURE in 6m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5d2b79de319e4a83a09e4dfe0ea86359 : SUCCESS in 7m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ca5f0dd528174cc489f7a488f826aefc : SUCCESS in 5m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eb042797d06e40fa92dc0ab408d16ef6 : SUCCESS in 6m 09s