[Openstack-stable-maint] Stable check of openstack/oslo.messaging for ref refs/heads/stable/train failed

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/82600fff710c43f996a18168a037af64 : SUCCESS in 4m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2b46a4e1edee49adb428dcae6bcbf802 : SUCCESS in 6m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1b179a3a202a42c99c9cbe531091ce60 : SUCCESS in 5m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0972427360d2410fb0cde6c05f17dcbf : FAILURE in 5m 44s