Build failed. https://zuul.opendev.org/t/openstack/buildset/30e7c808163440b7a7c6e8fe91b290f9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba71bbdf45dc47728d6292abdd7db4cb : SUCCESS in 6m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2efacb34a21543c48471df012095e4c1 : SUCCESS in 5m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b476070b865d48d3ba3ece176fd3adf4 : SUCCESS in 4m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/713a168519ea4dcdb105613a4907965b : FAILURE in 4m 36s