code: def test_keras_saver():
      p = Process(target=train_and_save)
      p.start()
      p.join()
      if p.exitcode != 0:
          raise SystemExit(f"FAILED running train and save test")
  
      p = Process(target=fine_tune)
      p.start()
      p.join()
      if p.exitcode != 0:
          raise SystemExit(f"FAILED running restore test")
  
file_path: autodist/tests/checkpoint/test_keras_saver.py
imports: import os
  import atexit
  import numpy
  import tensorflow
  from multiprocessing import Process
  from autodist import AutoDist
  from autodist.checkpoint.saver import Saver
label_desc: Use image node_id 5 for calling a global function with example usage: test_keras_saver() without return types