[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/94602062c66b49e18ca4b162f136ec78 : SUCCESS in 7m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/686deab9a72848d6bfd6832fd2643de0 : FAILURE in 11m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/79cd13475c524458abbaeb230bb4e395 : FAILURE in 11m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2393290c69ee4073bbdead21f096c1dd : SUCCESS in 12m 22s