@property
    def Me(self):
        if getattr(self, '_Me', None) is None:
            self._Me = self.mesh.getEdgeInnerProduct()
        return self._Me
Check an input against its falsy value or return a default.
dataset/ETHPy150Open simpeg/simpeg/SimPEG/EM/Base.py/BaseEMProblem.Me--crossover with--dataset/ETHPy150Open MediaMath/t1-python/terminalone/entity.py/Entity._default_empty