Build failed. https://zuul.opendev.org/t/openstack/buildset/78ff1d8cc4fb4a2788645da1e010fef5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/beea3e48b0cb42f4a888b1b1e23eb191 : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/180960ef551a40c6b72e7f234d2714ef : SUCCESS in 4m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bbfeaf30bf8c4e89bd93b9fce3fafb30 : FAILURE in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/74ab8da78b604db586e90b62d6a8d0a9 : FAILURE in 2m 49s