Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a462eea7ff324a3997a23cdcac975077 : FAILURE in 7m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b77f9c4291584f37a7e745ff0d199781 : SUCCESS in 8m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3dcb303892ec44778b9d0f5e08747383 : SUCCESS in 8m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e5e92a756dfb4c8caae8b3b90dd9a818 : FAILURE in 5m 35s