code: def reset(self):
      self.n = 0
      self.sesum = 0.0
  
file_path: pywick/pywick/meters/msemeter.py
imports: import math
  from .None import meter
  import torch
label_desc: Use image node_id 2 for calling the MSEMeter obj's underlying member method code with example usage: obj.reset() without return types