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

Build failed. https://zuul.opendev.org/t/openstack/buildset/4f4597b3377b4939953e6d417e386d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/07e812b353084f90a5a9fa7e4912c18d : RETRY_LIMIT in 1m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/73cc78b649ec4d6bbcaee5dc6e74de95 : SUCCESS in 9m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7dbefd7d65d14a60baadd6c7caa216df : SUCCESS in 8m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/471ae14ad3524cd39300da881d86a1f8 : SUCCESS in 9m 49s