code: def read_32t(fobj, start_length, size):
      # The 128x128 icon seems to have an extra header for some reason.
      (start, length) = start_length
      fobj.seek(start)
      sig = fobj.read(4)
      if sig != b"\x00\x00\x00\x00":
          raise SyntaxError("Unknown signature, expecting 0x00000000")
      return read_32(fobj, (start + 4, length - 4), size)
  
imports: import io
  import os
  import struct
  import sys
  from PIL import Image, ImageFile, PngImagePlugin, features
label_desc: Use image node_id 2 for calling a global function with example usage: read_32t(fobj, start_length, size) and returns: read_32