def _get_metadata_failed(self, traitpath, metaname):
        self.raise_exception(traitpath % "Couldn't find metadata for trait %s",
                             AttributeError)
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/container.py/Container._get_metadata_failed/swapped operands of `%`