[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/1664f890b2ed41129d97af2c76707a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bf860b73c3114d21a45f85244fe215f6 : SUCCESS in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/547e12dcb9024998b0127ef87a7a4e1e : FAILURE in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d61c235dd30c48969907bf0b87a77fc5 : SUCCESS in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5ec120aac1d94150a3d986ad54c461d0 : SUCCESS in 4m 06s