code: def _pre_context_exec(self):
      pass
  
file_path: ColossalAI/colossalai/legacy/zero/gemini/colo_init_context.py
imports: from typing import Any, Iterator, Optional, Tuple, Union
  import torch
  from torch import nn
  from colossalai.legacy.tensor import ProcessGroup
  from colossalai.tensor import ColoParameter, ColoTensor
  from colossalai.utils.model.utils import InsertPostInitMethodToModuleSubClasses
label_desc: Use image node_id 3 for calling the ColoInitContext obj's underlying member method code with example usage: obj._pre_context_exec() without return types