[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/efb59cfae63d4f41bec346c2c1ec61... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9fedac070a0e423baa338b7722d6fb06 : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/046c77b534d64a7a8f307014732245df : SUCCESS in 7m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/829622aeb05047e6a73252e71899f64a : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3e4f12f9f9de46bdb1eba98a226c87ce : FAILURE in 5m 16s