code: def test_add_done_callback_no_arg_error_is_ignored(self):
      def no_arg():
          return True
  
      # Adding another level of function indirection here on purpose.
      # Otherwise mypy will pick up on no_arg having an incompatible type and fail CI
      self._test_add_done_callback_error_ignored(no_arg)
  
imports: import threading
  import time
  import torch
  import unittest
  from torch.futures import Future
  from torch.testing._internal.common_utils import IS_WINDOWS, TestCase, TemporaryFileName, run_tests
  from typing import TypeVar
label_desc: Use image node_id 19 for calling the TestFuture obj's underlying member method code with example usage: obj.test_add_done_callback_no_arg_error_is_ignored() and returns: True