[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/44bfd2e66015445b96ac8b26685973... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/92eaf8b0710a472fb646828b7bd40192 : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0f5c5743b37e4b05aea8cc489e6eed38 : SUCCESS in 5m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9ec10d45d16d4432b3931496e71c2e6d : SUCCESS in 5m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5ee9f6cbda304faf9c84558463e8e02f : FAILURE in 7m 44s