def symmetric_difference(self, case_set):
        self._check_compatability(case_set)
        return self._make_case_set(self._tupset.symmetric_difference(case_set._tupset))
Return a new CaseSet with Cases in either this one or the other but
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/casehandlers/caseset.py/CaseSet.symmetric_difference