[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/fe7d4ab831ce4710b03a1c2e50402c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f04b47a29ba34f2d9ca9444847abf5e5 : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/653c041f93fe4524be8c8f64a129d3d4 : FAILURE in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4f888378835d4594b79a470df72b4fdd : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5f6803fe29543448f42f60852bc2840 : SUCCESS in 3m 15s