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

Build failed. https://zuul.opendev.org/t/openstack/buildset/e65bc2f748c447cea1efef6376e301... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8a29b05d8c31421f925910b0eb085f9f : FAILURE in 2m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b4b7e0cc5cd746ab9b29d1c433e2b32f : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/59b5fdf8b3c246a2a224453b6211fc14 : FAILURE in 2m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ef474db4c3b347bbad6d2f91e3f6e1e9 : FAILURE in 2m 22s