[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/c867373dd4cc432ea350948499ca7b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/52172aea2caa430096666fee8556baae : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7b378ed143b348c28a8fb61ae2d25731 : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6b0b8bcd3f434aceb0f6efd2e8df66c6 : SUCCESS in 4m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/087ddef357f14822adb1e90e0bcf5ba4 : SUCCESS in 3m 55s