Build failed. https://zuul.opendev.org/t/openstack/buildset/9f1058c459ed45e9a985cdc625c2bddd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2f5cd57e0207473fbff0fedc4e3921a7 : SUCCESS in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3f6b991b003945c08cc29eb5d7de6bc0 : FAILURE in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1e115e50ff594e93ae305227483db013 : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bcedd0f404024412aea9a8c986362ce0 : FAILURE in 3m 08s