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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/498d79512299486881fc47acf0609f2a : SUCCESS in 7m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f5b9dc520aaa4fe682d0b2bbeddec59d : FAILURE in 12m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7f40f4a7a37440aebc0248eb3cbdc524 : FAILURE in 12m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f8c055ddb36a4992b7ef65b486aa377a : SUCCESS in 12m 06s