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

Build failed. https://zuul.opendev.org/t/openstack/buildset/305e23174c1142cc8f8579d17eb10c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e99a34d7486749c68cacd4c9e1cce27f : SUCCESS in 3m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ad41658a1e024266a4ce10d305c54318 : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/83b755dc2fd2424f9f7929d9957b9a0c : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/184e9961d2964d0fb0d9096103e4e6f0 : FAILURE in 2m 46s