(IPField.py) Little cleaning

                res_data[...] = op(self,other_data)

            return res

        elif np.isscalar(other):

            res.data = { key:op(self.data[key],other) for key in self.data.keys()}

            res.data = { key:op(data,other) for key,data in self.data.items()}

            return res

        else:

            raise Exception(f"operator {op} not valid for types :{type(self)} and {type(other)} ") # pragma: no cover