[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/504e6c8936fc4d16bf67c454f4eaeb... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/57407afe58b24f75b670967afc6c98b4 : SUCCESS in 4m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4e0fec24f8e64bb9a4fad4554e099fa4 : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c34bbb7fe0e5497189767b67cd1c430f : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d87cd366e24c4cdd8e6b1c8ba25a4c15 : SUCCESS in 4m 15s