[Openstack-stable-maint] Stable check of openstack/oslo.config for ref refs/heads/stable/ussuri failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/8ec88e486a074ac99258a154509164... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d2933735b0e04dfbb9c7b42fcdb08b7b : POST_FAILURE in 4m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9365edb27b094f9faadc1278c3853372 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3e431225096d4541bca3445a211247ef : POST_FAILURE in 4m 25s