[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/db1980012a9245d48e617339572129... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a23b6675ca444287b25a01feb16d1afc : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d986455a25d44cd3868dc8c990a4a7c8 : FAILURE in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/35c4cb1c56354312ae09789603c32ccb : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad0d6c3000ab4af3941be948770cae2b : SUCCESS in 3m 43s