Build failed. https://zuul.opendev.org/t/openstack/buildset/2f16334e040e43eca206badba4f8e548 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0488c168332f40cb8e485b8162225241 : FAILURE in 3m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/beb137dc4fce405ca9211beada7325f7 : SUCCESS in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b92ea88da084205ad293e57f87ae3c8 : SUCCESS in 4m 21s