Update corehq/motech/dhis2/schema.py
Update corehq/motech/dhis2/schema.py

Co-authored-by: Norman Hooper <41300c175e5828b064a1c2b29c1e749a8240e39c@users.noreply.github.com>
dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq