code: def read_u8(self):
      data = self.f.read(1)
      return struct.unpack("<B", data)[0]
  
imports: import struct
  import functools
  import torch
  import numpy
  from io import BufferedReader
  from tqdm import tqdm
  from bigdl.llm.utils.common import invalidInputError
label_desc: Use image node_id 5 for calling the GGUFReader obj's underlying member method code with example usage: obj.read_u8() and returns: struct