code: def replace_func(m, target_m, func_name, new_func):
      for _, sub_m in m.named_children():
          if isinstance(sub_m, target_m):
              bound_method = new_func.__get__(sub_m, sub_m.__class__)
              setattr(sub_m, func_name, bound_method)
          replace_func(sub_m, target_m, func_name, new_func)
  
imports: import platform
  import torch
  import torch.nn
  from accelerate import init_empty_weights
  import warnings
  import transformers
  import importlib.util
  from bigdl.llm.ggml.quantize import ggml_tensor_qtype
  from .utils import logger
  from typing import Union
  import numpy
  import os
  from bigdl.llm.utils.common import invalidInputError
label_desc: Use image node_id 12 for calling a global function with example usage: replace_func(m, target_m, func_name, new_func) without return types