Build failed. https://zuul.opendev.org/t/openstack/buildset/0ee46d5220c4425cba01a08bf032ce5b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f6e0b0a2a02c49b08735ca716ee88839 : FAILURE in 4m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9bae4fcd96248189f9deadaf2018f7b : FAILURE in 4m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bb6e8b59d3b5407da71467d068616f41 : FAILURE in 5m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/da949e26bb4a4e548ccd1c5d4163205f : FAILURE in 5m 19s