Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4160c127d7404573978d2224733abdb8 : SUCCESS in 5m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/02081b6a3add4e46bfac9cfc0165d110 : FAILURE in 2m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dec82d0cb159450abda70966d6b13382 : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4296aed5cbeb4186bce98d46d16cabd8 : SUCCESS in 3m 17s