def filter(self, result):
        if result is None:
            return True
        reject = ( result in self.history )
        if reject:
            pass#log.debug('result %s, rejected by\n%s', Repr(result), self)
        return reject
Given a higher app_version, all the old questions should not be shown or selected
dataset/ETHPy150Open jumoconnect/openjumo/jumodjango/lib/suds/xsd/query.py/Query.filter--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/export/tests/test_export_instance.py/TestExportInstanceGeneration.test_generate_instance_from_schema_deleted