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

Build failed. https://zuul.opendev.org/t/openstack/buildset/29aef3c51e2d45f894a2c46711d95b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/57a99b59922e4434b6bc66f2f0085b47 : FAILURE in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/718ffd7a8dc34083834e41b61d9c6628 : FAILURE in 2m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/85608f9c0d5343b789c75188c487cd77 : FAILURE in 2m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/94c71dc61cf0487fb34f4745d9a69461 : FAILURE in 2m 39s