Build failed. https://zuul.opendev.org/t/openstack/buildset/d3438424d25847e1ba4acee39cb92c01 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1e43ca67cf1144c2907270abc798eddc : FAILURE in 6m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5573770031864216b744c846b0420b02 : SUCCESS in 6m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2ecdf1e6df6e4c0aa0b96efe31ab4739 : SUCCESS in 6m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a6fda3c9a13b4a569fec01b0d50d5318 : SUCCESS in 7m 22s