[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/e82d1098f42441a9a62a0bb19da75b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6827a281e2944ceda70fd3a2ffe2609d : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dd483fc64e54450fa9c880104e363882 : FAILURE in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8c55edfe21a54df2b6ae6d8d7ecd5941 : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4e27a61e62cf4383a8a714c08413cc72 : SUCCESS in 3m 48s