[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/2a82690b79b345f583b59727b1eab4... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ecdd738d3c4e47d3af3acb33884c5d4c : SUCCESS in 3m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1b023b1b4c2b4ac486e53c3cf7b8d1b9 : FAILURE in 2m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4632f76271844710b140ea0e96390f92 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/52ca56b34a9940d4be39f0749cfc9d49 : SUCCESS in 3m 45s