[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/e5b7c10cefcc4bc2bf9f097176fcbf... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/92c1130302a9465992977a6d7aea62f1 : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0e357df4599d4c5686bb9593edbb3bce : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f22cdfba19c44c7aab547c82d149fd5e : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b3bc9f2865eb470184d4a6cf11931dff : SUCCESS in 4m 45s