code: def test_set_workers_invalid():
      with pytest.raises(ValueError, match="workers must not be zero"):
          with fft.set_workers(0):
              pass
  
      with pytest.raises(
          ValueError, match="workers value out of range"
      ):
          with fft.set_workers(-os.cpu_count() - 1):
              pass
  
file_path: catboost/contrib/python/scipy/py3/scipy/fft/tests/test_multithreading.py
imports: from scipy import fft
  import numpy
  import pytest
  from numpy.testing import assert_allclose
  import multiprocessing
  import os
label_desc: Use image node_id 7 for calling a global function with example usage: test_set_workers_invalid() without return types