[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/079579a462d54ae897e3e79a656b56... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/42a6c2571c714e3495841830c9043552 : SUCCESS in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b631776f35b34128bb3729ac34b62ae8 : SUCCESS in 5m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/36ad256377814929a79b85f83051d6c1 : SUCCESS in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fcd406e44bdd4b9abda5bf62a8445f7e : FAILURE in 4m 04s