Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/31501c9132ed495c98288e0c0c4af3f6 : SUCCESS in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/206ddb468a31410ebb5e1efb23d277c1 : SUCCESS in 6m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d874614f65824df5b455d44706b70dc7 : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/286aaa851b104f99826c74f333562ca1 : FAILURE in 2m 06s