[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/fdbd2c13e42b46ad9024e37a141d9f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d444f4f9be174a8b991ad1e361b24024 : SUCCESS in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7d514a8a7d9e464586d790349b5355de : SUCCESS in 5m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4fc97284c420414faa408a207af21b34 : SUCCESS in 4m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b11bd2d8b9fb4537a41fd1c59077b0e7 : FAILURE in 4m 42s