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

Build failed. https://zuul.opendev.org/t/openstack/buildset/36f98bb67f1745ef82eaae6fec35d1... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/21972fedba4548979594e0eab762dd0a : POST_FAILURE in 14m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0a55aec24ac045f89ac62c5445ae8f7e : SUCCESS in 2m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ae93c0599390405487367e8a57d1eaab : SUCCESS in 3m 57s