code: def __getattr__(self, k):
      return ColoAttribute(self, k, getattr(self._meta_data, k, None))
  
imports: import operator
  from typing import Any, Callable, Dict, Optional, Union
  import torch
  from torch.fx import Node, Proxy
  from torch.utils._pytree import tree_map
  from colossalai._analyzer._subclasses import MetaTensor
label_desc: Use image node_id 12 for calling the ColoProxy obj's underlying member method code with example usage: obj.__getattr__(k) and returns: ColoAttribute