[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/2509f26fc9d746c2aa4be535208bf9... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/102569f00d6148d4a1e39baf283e24c8 : SUCCESS in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6c11133d957f434f88d84320f6b095ba : FAILURE in 3m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9677a5ae866d4964aed81b13bfdc71a5 : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/849577d044214d5d86e38867b9ee2f6a : SUCCESS in 3m 58s