[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/6ea115eb14b34074acddcf2d498f93... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c14c305e1ea246039b9ee1d91b82749a : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e7fddbf09c3d4229a4802e6d244b54ee : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f06787562abd4a88a9ffc84b5aa39c2e : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dcd9af8de8cf4632ba9fc789693028a8 : SUCCESS in 3m 41s