Build failed. https://zuul.opendev.org/t/openstack/buildset/905e4353c9d24a9f91be0274857bfec6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f7552acb048d462591ba17f1bdec63d6 : FAILURE in 5m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d0b97efc08c84c659100c3f793569925 : SUCCESS in 9m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/692bcbbd753e468d98c4d93de52fb08c : SUCCESS in 9m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4c9970ac4e084a969d8ae0da245f01e0 : SUCCESS in 8m 06s