code: def _save_packed_weight(self, destination, prefix, keep_vars):
      for attr_name in dir(self):
          if "_packed_weight" in attr_name and isinstance(
              getattr(self, attr_name), torch._C.ScriptObject
          ):  # type: ignore[attr-defined]
              packed_weight = getattr(self, attr_name)
              destination[prefix + attr_name] = packed_weight
  
imports: import torch
  import copy
  from torch.fx import GraphModule
  from torch.fx.graph import Graph
  from typing import Union, Dict, Any, Set
label_desc: Use image node_id 4 for calling a global function with example usage: _save_packed_weight(destination, prefix, keep_vars) without return types