Build failed. https://zuul.opendev.org/t/openstack/buildset/05bc5b7706ea43ffba5b684a0c46684b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cfe4b5d48a9a4c3da168013f601ae6da : SUCCESS in 2m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9212d7c815454f5e98ed9b662f406311 : SUCCESS in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d5bf63569372474e80be2287fd3fba96 : FAILURE in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/22268b677ab34c54a102994baa435c04 : FAILURE in 2m 50s