Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/42496a839180493eb1bfd7a0d59a84bb : SUCCESS in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9191f4bb0ee4d3ca366e5a52e973af8 : FAILURE in 4m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/18e94c35e49c4a56838fc0b553fd06af : SUCCESS in 5m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3d2c04f76d824ab0b59f4c4ccf8b68a6 : SUCCESS in 6m 18s