[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/c7fccd9b8a004984b14d997a8f64bb... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/96f0193d92594ae7ae51eae8f3ed9f28 : SUCCESS in 6m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/02c289854e974bb2bb2f9ed4d43d1794 : SUCCESS in 7m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0743dae01ebc4cc9a81a4da377ca8aa5 : SUCCESS in 8m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/832f1baa5cb84f2c981be3f55fb2f37f : FAILURE in 7m 34s