Build failed. https://zuul.opendev.org/t/openstack/buildset/2f1dd1273a0849c59bcefc13e2c3eefa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0b5f48f788cb4f23b976ba82a2ba38d6 : FAILURE in 5m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/992d90ddcf7d4fb8a69378c7f5c39510 : SUCCESS in 5m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0b10eaac23394dd4aef60003d9e9ae57 : SUCCESS in 5m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ec78792ffe924a2cb46ed2df7d311e0c : SUCCESS in 5m 09s