[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/8faead19421b416fb48c86c9e8f0cf... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d42441b65689494caea4cdf968c7d178 : SUCCESS in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/94fd7bbd9dc647d394ced0bdea12819c : SUCCESS in 4m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fffd8860474e46f0abec563880175a32 : SUCCESS in 5m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/10512a36909548c5b9e248dea29c516e : FAILURE in 5m 38s