def __init__(self, string=None, raw=None):
        if (string is None and raw is None or
                string is not None and raw is None):
            raise TypeError('expected one argument')

        self.allocated = 0
        if raw is None:
            self.raw = ctypes.create_string_buffer(
                ctypes.sizeof(MagickPixelPacket)
            )
            with self:
                library.PixelSetColor(self.resource, binary(string))
                library.PixelGetMagickColor(self.resource, self.raw)
        else:
            self.raw = raw
dataset/ETHPy150Open dahlia/wand/wand/color.py/Color.__init__/operator `is not` -> `is`