Build failed. https://zuul.opendev.org/t/openstack/buildset/027e847b9360415992cf7a48dd71c954 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6fbe5f0615f144e0b700037b6bbd2faa : SUCCESS in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/21e64afa4525431980443f18e25f73e7 : RETRY_LIMIT in 2s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7a2be19f2cb441e2b16bda802ed9d579 : SUCCESS in 5m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dec8fa32a69949f08258f9b871f8e5ec : SUCCESS in 3m 42s