You are probably using such old version that does not have fix https://github.com/openstack/ospurge/commit/d18f6617b476ca667c468104d76b0c205551d6a1
You are probably using such old version that does not have fix https:/ /github. com/openstack/ ospurge/ commit/ d18f6617b476ca6 67c468104d76b0c 205551d6a1