[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/b48786d0e273410598f800cdf48049... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c0beb5998bf74670a183f52d07f43f01 : SUCCESS in 4m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/84fde7badaaf412ab4cf4d6bcd25b2b5 : FAILURE in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fd7b38be3c6347cc91c0862494798fa2 : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/304e7e45c3bc4de98ea54f2840a16abf : SUCCESS in 6m 38s