code: def _test_success_first_then_exception_func(i, arg):
      if i == 0:
          return
      time.sleep(0.1)
      raise ValueError("legitimate exception")
  
imports: import os
  import pickle
  import random
  import signal
  import sys
  import time
  import unittest
  from torch.testing._internal.common_utils import TestCase, run_tests, IS_WINDOWS, NO_MULTIPROCESSING_SPAWN
  import torch.multiprocessing
label_desc: Use image node_id 7 for calling a global function with example usage: _test_success_first_then_exception_func(i, arg) without return types