[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/f0543890ae22432d9000b792078381... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c42430a077a9474ba7b7e96532654af4 : SUCCESS in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/64b833a8f07f41ecac54f088a0c59054 : FAILURE in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f3d6938ea76849a6ae151c0424578a3f : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c2c6165c78ad48318b75a31e3adba4e6 : SUCCESS in 4m 31s