[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/61663abf3e8b42399e8c3c9817148d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8cf9f429e21d46e4ad2db1feb817d6ec : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7f98d401d05a485c902bab7b213dc3b1 : FAILURE in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b2a1edf607274617b930988f21a6faff : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b79d16a191c84785bfe56dca88ef5bff : SUCCESS in 4m 08s