Build failed. https://zuul.opendev.org/t/openstack/buildset/5288d05fe8ff4539b80e988215b6f884 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/25fdc30e5987447693d852944d1c9396 : FAILURE in 6m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/67beb7fda65b4a048e05310fbe474558 : SUCCESS in 6m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/41e323ef079343a3bed336e8fb65dbf2 : SUCCESS in 6m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad7c68d8db51499a9fada6a3fb8ee849 : SUCCESS in 6m 16s