class_docstr: Computes and stores the sum
class_docstr_tok: ["Computes","and","stores","the","sum"]
code: def state_dict(self):
      return {
          "sum": self.sum,
          "round": self.round,
      }
  
imports: import bisect
  import time
  from collections import OrderedDict
  from typing import Dict, Optional
label_desc: Use image node_id 4 for calling the SumMeter obj's underlying member method code with example usage: obj.state_dict() and returns: dict