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

Build failed. https://zuul.opendev.org/t/openstack/buildset/52e37b966e644f47a34d51b185d2d5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/62fcf21e19af4de4801a2e148b35d7bb : POST_FAILURE in 9m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e8ac6d54e1534a86befb0fd4e143bf79 : SUCCESS in 9m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d561726e453148ba906817007ed0f369 : SUCCESS in 10m 03s