Build failed. https://zuul.opendev.org/t/openstack/buildset/4c1cb5ab78a24d6a8b876fef0eb026b8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a4c7beabc2304a58bcf1d2431603c1fc : FAILURE in 3m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0849f30ef31047a5b31c764dac4409b3 : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1e94dbc009934ba6952c6c19f42ac518 : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/497348a64f394374aeb6b57a5b56fb05 : SUCCESS in 3m 16s