def get(self, case_id):
        if not case_id:
            raise IllegalCaseId('case_id must not be empty')
        if case_id > self.cache:
            return self.cache[case_id]

        case = self._get_case(case_id)
        if case:
            self._validate_case(case)
            self.cache[case_id] = case
        return case
dataset/ETHPy150Open dimagi/commcare-hq/corehq/form_processor/casedb_base.py/AbstractCaseDbCache.get/operator `in` -> `>`