code: def load_state_dict(self, state_dict: Dict) -> None:
      missing_keys = []
      for name, meter in self._named_meters():
          if name in state_dict:
              meter_state = state_dict.pop(name)
              meter.load_state_dict(meter_state)
          else:
              missing_keys.append(name)
      unexpected_keys = list(state_dict.keys())
      if len(missing_keys) > 0:
          warnings.warn(f"missing keys in state_dict: {missing_keys}")
      if len(unexpected_keys) > 0:
          warnings.warn(
              f"unexpected keys in state_dict: {unexpected_keys}"
          )
  
imports: from __future__ import annotations
  import warnings
  import json
  from typing import Dict, Union, Optional
  from collections import OrderedDict
  from .meters import Meter
label_desc: Use image node_id 17 for calling the MeterDict obj's underlying member method code with example usage: obj.load_state_dict(state_dict) without return types