Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6dc238f84a984986a0bc1dd1f7eb83db : SUCCESS in 8m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/db11c027360f456a8631e6cdb8699e2a : FAILURE in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/72ffea95c05c4a3d9197f77b78cd2030 : SUCCESS in 6m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/24f9c1ba742f4511abb5e49e2ca1e664 : SUCCESS in 5m 49s