code: def redo():
      assert (
          not ConstructorManager.changed
      ), "Constructor already changed"
      for name, (new, old) in ConstructorManager.overwrites.items():
          setattr(torch, name, new)
      ConstructorManager.changed = True
  
file_path: ColossalAI/colossalai/lazy/construction.py
imports: from contextlib import contextmanager
  from typing import Callable, Dict, Tuple
  import torch
label_desc: Use image node_id 3 for calling the ConstructorManager obj's underlying member method code with example usage: obj.redo() without return types