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

Build failed. https://zuul.opendev.org/t/openstack/buildset/3cd75eed01cc49a08e57ea4247f153... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a7edc04ffb6c44ae8f699198e974c593 : FAILURE in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5f25ac1a940443668231e958d08e8f37 : FAILURE in 2m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/069d042f29fc44c7aa42c7d08e874336 : FAILURE in 2m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c7ed0dfab26f4097975c9cec3ba0ed3c : FAILURE in 3m 51s