[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/345ae8709c2241fa8d2cee5466de0e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ac0fb73cbd7446baad5aa747a13f4045 : SUCCESS in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e10c1d8052c647318af8784c777a2241 : FAILURE in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b37bbed828b74c0e978584a1ebed7d9f : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/68071276a312482c86b2eaf2cbabb002 : SUCCESS in 3m 41s