code: def test_ifft(self):
      a = np.ones(self.input_shape) * 1 + 0j
      self._test_mtsame(np.fft.ifft, a)
  
imports: import functools
  import queue
  import threading
  from unittest import skipIf, SkipTest
  import pytest
  from pytest import raises
  from torch.testing._internal.common_utils import instantiate_parametrized_tests, parametrize, run_tests, TEST_WITH_TORCHDYNAMO, TestCase
label_desc: Use image node_id 3 for calling the TestFFTThreadSafe obj's underlying member method code with example usage: obj.test_ifft() without return types