[Openstack-stable-maint] Stable check of openstack/oslo.messaging for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/375e7a69fa0d41768d887a555e7936... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/91242e40924940bda5f06d172f48ee1d : SUCCESS in 4m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f5d285827b242da99ef3f1374186472 : SUCCESS in 5m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/60634c8933fd4564a0650286df218ece : SUCCESS in 4m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a7a668b5c64e449b96e1ad07a694e5be : FAILURE in 4m 38s