def get_key(self, keyname):
        keyname = self._normalize_unicode(keyname)

        if keyname in self.saved_keys:
            return self.saved_keys[keyname]
        else:
            key = self.bucket.get_key(keyname)
            if key:
                self.saved_keys[key.name] = key
            return key
Linearize the system about the operating point. Note that
dataset/ETHPy150Open memsql/memsql-loader/memsql_loader/vendor/glob2/impl.py/S3Globber.get_key--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/physics/mechanics/linearize.py/Linearizer.linearize