[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/16274a761ee8494fb80ec7c225b733... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a31edced73cd4dd9a26ba31465e528d7 : SUCCESS in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3f51ab8711fa4c63af6c8398c6c96659 : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/351d21f2c0164b2caa2cbe167e840d87 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5957c87728ee47ca96fd1ed1a2c11e65 : SUCCESS in 3m 18s