[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/41f2f1c6acbf47f6ab006d3465c623... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/096c00e67f044229abf3bae5948fb9de : SUCCESS in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/316fd2067b3d429296038f15beadf52b : SUCCESS in 7m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bab0939112be468c97165b88836e9537 : SUCCESS in 9m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b3f9c5e4cb14ad49e85f758e2cd789f : FAILURE in 4m 27s