[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/060c9313b9384ed6a38454caa107a6... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/53b8c27d9f0640e58dd360c4a3eb632a : SUCCESS in 4m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f9287921e9a4d04aa1818abb2f12de4 : FAILURE in 3m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef4eaa16b2d4448a8bc7d90b4ee599f5 : SUCCESS in 8m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8a166f4af2424ad1a31ef76921897e51 : SUCCESS in 4m 11s