code: def on_update_end(self) -> None:
      if self.ignore_this_episode:
          return
      self.update_timer.end()
  
imports: from time import time
  from typing import Optional
  import torch
  import torch.distributed
  from coati.experience_maker import Experience
  from .base import MakerCallback, TrainerCallback
label_desc: Use image node_id 7 for calling the TrainerPerformanceEvaluator obj's underlying member method code with example usage: obj.on_update_end() without return types