code: def test_numpy_fft():
      bad_results = check_dir(np.fft)
      assert bad_results == {}
  
imports: import sys
  import sysconfig
  import subprocess
  import pkgutil
  import types
  import importlib
  import inspect
  import warnings
  import numpy
  import numpy
  from numpy.testing import IS_WASM
  import pytest
label_desc: Use image node_id 6 for calling a global function with example usage: test_numpy_fft() without return types