Build failed. https://zuul.opendev.org/t/openstack/buildset/efd47ab2c1a9456c8409579b03a9a9b3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f9a337f3066f4c81bd391e48ad4329c3 : FAILURE in 6m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/37433ddde21e491d8adcfbd909223ff0 : SUCCESS in 5m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4486f13fc9ca44849b60df682eb3552b : SUCCESS in 5m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8116083b75264ee9bfb0b16653411f23 : SUCCESS in 5m 39s