[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/5248fd8357ba43dc856080c6055aca... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6b3ed56bcf9149f99620110fcbcb9f0c : SUCCESS in 4m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d3cfe58e65aa48808dde0dab9da3529b : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f70bccb96a8448f1a665563439f561d6 : SUCCESS in 4m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a42fc3a2576c48ef95ee3792783d978f : SUCCESS in 5m 17s