Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/572ff78e9ff04c848aa68c7626415c9c : SUCCESS in 7m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0d34370a02354c0c89806fe20ed1b0c9 : FAILURE in 4m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7088883873bc439fadbff56373572fdf : SUCCESS in 8m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3380b1145e3a45a1a60ee1d7679d16ed : SUCCESS in 9m 45s