[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/d34d833d4b524c009866abf924b979... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/077d678c94874398ab5dddf9da0e7209 : SUCCESS in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/78c6a0b27a084523b66c0ca15244bcee : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d03ba50e3a674908b905848b359e07a6 : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/93f298dc8ec546d9b19bc6b26c7dbe58 : SUCCESS in 3m 26s