[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/bb4d5159322348b2a04320e05e485a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/18f1812f209246e8b4dd5b00401f183d : SUCCESS in 4m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/24e0388b49ee40e69605a8bb389d6ef4 : SUCCESS in 4m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6bdc201883434db3b079d1e5dd3de4d1 : SUCCESS in 5m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/17e5a605c5354cafbdd5c83ae5aee22b : FAILURE in 5m 00s