[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/0f74ec1c71124736ac4f08fcfba491bf : SUCCESS in 7m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/076ecf054b0d431a91945d61e8f22a5a : FAILURE in 12m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e8f1f6e97ff5468abfbea36c613489fa : FAILURE in 11m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f69de9fe8ca9427ebd5d3a86bb340034 : SUCCESS in 13m 49s