[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/47f98d3cd5574ab3950d18ec778569... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/02de1e1ae05a4a4c8aa6bec409b73608 : SUCCESS in 5m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f8dc7a83ef7d4c0e9e36f2b8c334bded : FAILURE in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/761e30fda8f9432b9cc5fa4b52795775 : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/019ff3211f9d4ca6b7e263bb0a51a3cd : SUCCESS in 4m 18s