[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/423e0cb99e9b419dab9f18298e4158... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6f677a4409a74b74b5a170cf9ab04ffa : SUCCESS in 5m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/698417a072284e6482d918d219c0c79e : FAILURE in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/26cc713fa8764f5980d6406b67ca58c5 : SUCCESS in 3m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6178f8ebca7040558290479ff8856448 : SUCCESS in 4m 13s