[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/ee480c6e2065493ab2e598c9fb7b6c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2dfc9d46fac4473ca6d88ff4d0134510 : SUCCESS in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bda6acb875f418aa199044bac1752ec : FAILURE in 2m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a5800c77c2d944f89ecbdb6ddf110b02 : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/700c738a2f754764ab42cdd03bda1929 : SUCCESS in 3m 52s