code: def done(self):
      self.tr.set_time(
          self.name, self.idx, time.time() - self.start_time
      )
  
file_path: labml/client/labml/internal/monitor/time_recorder.py
imports: import time
  from typing import NamedTuple
  import numpy
label_desc: Use image node_id 3 for calling the Timer obj's underlying member method code with example usage: obj.done() without return types