Build failed. https://zuul.opendev.org/t/openstack/buildset/c54596582b4a4710951608d4f0fab111 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba96ea7e7b074b85873fabc37b239693 : FAILURE in 3m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9ba1b0919a7b4c85b3f59793f038e6d2 : SUCCESS in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c66c50d8758b4135acd7524b0b4bec08 : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e5d7538d70114bef9167c0f03a685b2b : SUCCESS in 3m 46s