[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/51039d22cb1d4790abccf4401b3fee... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/27932d72b1104c0db2e1025811ddeba3 : SUCCESS in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3cb3055827184b3ba5dd88311a2f9f0c : FAILURE in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f533b0a412ab4a90a9412f2e3b7b4c0d : SUCCESS in 3m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1f295198000f44f0b8b4605a23ac729f : SUCCESS in 4m 01s