def __call__(self, user, version, last_sync=None, app=None):
        if user.domain in M4CHANGE_DOMAINS:
            domain = Domain.get_by_name(user.domain)
            location_id = get_commtrack_location_id(user, domain)
            if location_id is not None:
                fixture = self.get_fixture(user, domain, location_id)
                if fixture is None:
                    return []
                return [fixture]
            else:
                return []
        else:
            return []
dataset/ETHPy150Open dimagi/commcare-hq/custom/m4change/fixtures/report_fixtures.py/ReportFixtureProvider.__call__/original