code: def begin(self):
      self._timer.reset()
      self._iter_count = 0
  
file_path: finetune/finetune/util/in_memory_finetune.py
imports: import os
  import traceback
  import sys
  from tensorflow.core.framework import summary_pb2
  from tensorflow.python.summary.writer import writer_cache
  import tensorflow
  import numpy
label_desc: Use image node_id 2 for calling the InMemoryFinetune obj's underlying member method code with example usage: obj.begin() without return types