[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/08ed74ca68be488ca5d738a243d202... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5592a51afe4445e2a19dbaf2a164ff2b : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/412d459756474f79a36cef0a415f2573 : FAILURE in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1b2b61aef2e642998490210e6a7d3d02 : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/61feb87b0f4b4b83880eb2c2f865bf5c : FAILURE in 2m 49s