code: def tensors_iter(self):
      return self.tensor_loader
  
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 3 for calling the GGUFFileLoader obj's underlying member method code with example usage: obj.tensors_iter() and returns: self