Build failed. https://zuul.opendev.org/t/openstack/buildset/238424b7af3248ea9eb05349f710828b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7bfd6e48dd7747359558d92758a72ab5 : FAILURE in 6m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/12164e72980a4af18b57974c45276b46 : SUCCESS in 5m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f8a90434b2354a1dafc6b505fa2b9c2c : SUCCESS in 5m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/76d2b94158ac44a8bee0c933781cab01 : SUCCESS in 6m 29s