it's true, though this is the current convention @mrgriscom has been using:

https://github.com/dimagi/commcare-hq/blob/master/corehq/apps/reports/commtrack/psi_prototype.py#L54
https://github.com/dimagi/commcare-hq/blob/master/corehq/apps/reports/commtrack/standard.py#L91

maybe we should setup another ticket to refactor/fix?