def unpair(self):
        if not self.ispaired: return
        self.survey._prob = None
        self._survey = None
Return and clear the dirty state of the python object.
dataset/ETHPy150Open simpeg/simpeg/SimPEG/Problem.py/BaseProblem.unpair--crossover with--dataset/ETHPy150Open google/grr/grr/lib/rdfvalues/structs.py/ProtoEmbedded.IsDirty