@classmethod
    def _arg_to_ctypes(cls, *value):
        try:
            ctype = cls._ctype
        except AttributeError:
            raise TypeError((cls,) % "cannot create an instance of %r")
        if value:
            res = cls._to_ctypes(*value)
            if not isinstance(res, ctype):
                res = cls._ctype(res)
        else:
            res = cls._ctype()
        return res
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/cffi-1.5.2/cffi/backend_ctypes.py/CTypesData._arg_to_ctypes/swapped operands of `%`