[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/ce2f696529b5436d88262a6441ab57... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d6f44abc7cec4fe487543a4beca926d5 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0aefc58266e45248d02c9df13bd64fc : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7714e9f8824b470d9688c5ec5d672ed1 : SUCCESS in 3m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7d31059670b5464aaa33cf8dced0f3b0 : SUCCESS in 4m 22s