def issubset(self, case_set):
        self._check_compatability(case_set)
        return self._tupset.issubset(case_set._tupset)
debug a single target with gdb
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/casehandlers/caseset.py/CaseSet.issubset--crossover with--dataset/ETHPy150Open floooh/fips/verbs/gdb.py/run