code: def decode(self, buffer):
      rawmode, stride, orientation = self.args
      pagesize = self.state.xsize * self.state.ysize
      zsize = len(self.mode)
      self.fd.seek(512)
  
      for band in range(zsize):
          channel = Image.new("L", (self.state.xsize, self.state.ysize))
          channel.frombytes(
              self.fd.read(2 * pagesize),
              "raw",
              "L;16B",
              stride,
              orientation,
          )
          self.im.putband(channel.im, band)
  
      return -1, 0
  
file_path: catboost/contrib/python/Pillow/py3/PIL/SgiImagePlugin.py
imports: import os
  import struct
  from .None import Image, ImageFile
  from ._binary import i16be
  from ._binary import o8
label_desc: Use image node_id 1 for calling the SGI16Decoder obj's underlying member method code with example usage: obj.decode(buffer) and returns: unknown,  int