code: def param_order(self):
      if self._param_runtime_order.is_empty():
          raise RuntimeError
      else:
          return self._param_runtime_order
  
file_path: ColossalAI/colossalai/zero/gemini/memory_tracer/memory_stats.py
imports: from typing import List, Optional
  import torch
  from .param_runtime_order import OrderedParamGenerator
label_desc: Use image node_id 8 for calling the MemStats obj's underlying member method code with example usage: obj.param_order() and returns: self