[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/c95779950da4436faacd9551ebf07a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/863d7c6aff7f4a40bc0746ad09d3b664 : SUCCESS in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/56d4bc11e0f340f0854a067dd544beec : FAILURE in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2a768e9bfb0c48a7b119a7fa285b9a10 : SUCCESS in 3m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8c2977997b134602b595eec6f044b931 : SUCCESS in 3m 57s