[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/a1307886f559458fa21597e2cbd93d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6588c22893944fd7bed76a08381bb025 : SUCCESS in 3m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e510f45f69034a2588af5560c6c178ea : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e6cd1cc27408484292b5dafccd65df2e : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d8781b216acc431c864a29f71fd337fb : SUCCESS in 3m 09s