code: def decode(self, buffer):
      try:
          self.set_as_raw(
              _dxt1(self.fd, self.state.xsize, self.state.ysize)
          )
      except struct.error as e:
          raise OSError("Truncated DDS file") from e
      return 0, 0
  
imports: import struct
  from io import BytesIO
  from PIL import Image, ImageFile
label_desc: Use image node_id 1 for calling the DXT1Decoder obj's underlying member method code with example usage: obj.decode(buffer) and returns: int,  int