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

Build failed. https://zuul.opendev.org/t/openstack/buildset/21402f33b4234ad48a27a1c74c348f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e369165d999c4fd1b2749908d0bcc0d3 : SUCCESS in 4m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f6ce50aab3334feaa1fe8a277423f567 : FAILURE in 4m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1e61ca5cc9d34bafadcf979c67232635 : SUCCESS in 4m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/da9d9eb7412f4d03b39b8dad8d637fd3 : SUCCESS in 3m 40s