[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/8e7a710b5f6241279572685afadd18... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/37523da7f48f4a6dabfb69fec1976c32 : SUCCESS in 4m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/523510373dc84e1387a623a6d6b2840e : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7ee3d55727f54ea69d470493e61ad98c : SUCCESS in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/917bdd13521247f5a7c6ca9a45f9a6c4 : SUCCESS in 4m 57s