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

Build failed. https://zuul.opendev.org/t/openstack/buildset/3cfe8f4994424f4eaddf9c1c309056... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bff22d70f9cd4896afa04388ef489597 : FAILURE in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/53eb1a326212480ab6b18a02d5c62f57 : FAILURE in 2m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1943ec5410484383a8c0f86aa7b50634 : FAILURE in 2m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eeb8617865cb4dd2b17098fd19f94bd5 : FAILURE in 2m 28s