[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/fbc2f4615a234d2cacd8037b90d43a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0b7ce4448be243849653775e80363e07 : SUCCESS in 4m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ea334e6746f84c829b958f21a75ee21e : SUCCESS in 5m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eccd8fd534fb497e84c7242e70613bc1 : SUCCESS in 6m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5cced0d42ccf401e89c1ca0b5ce367ca : FAILURE in 4m 33s