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

Build failed. https://zuul.opendev.org/t/openstack/buildset/22d409f974cf4460b0d58cf9c75cb2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/08ea2665d0a44769a0519cba929c4e32 : FAILURE in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d649f483fd0e4540830c87d86aa4f353 : FAILURE in 2m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/04d68f02609946ecb35a57376a5d23a9 : FAILURE in 2m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/47c7b458ce5a45d684e49f194ce7f641 : FAILURE in 3m 08s