Build failed. https://zuul.opendev.org/t/openstack/buildset/c9103fe647eb45e4b8439ddc98ec9ba2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/daeaf07aa8e24647b9f2b607547618b8 : FAILURE in 5m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bad6a57fdaf44b30bc1a15566c564954 : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dea0785caea44e368aac597dc13963a6 : SUCCESS in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/88b3ebde545a44ddbd5a7bef5978da95 : SUCCESS in 7m 18s