[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/1eb701a5d7b4456e98ca8fa3720cff... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8159436e4bf6476c828e4abf12d55a80 : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4b528081dea94eb08c601de0285347c1 : FAILURE in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/25713308f69245ee8808ecc45568c9b3 : SUCCESS in 3m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d5e881dac9c84af78fc83fee4aa4ea60 : SUCCESS in 4m 12s