Build failed. https://zuul.opendev.org/t/openstack/buildset/18260db18d0c4fa8ade3b8dc364613ad - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ce942c03466f4661ab252082be61befb : FAILURE in 3m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d711a8bc24184d72a4f952800ce0f52d : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7364773c8ec9470da442032c344db88b : FAILURE in 4m 13s