old_contents: import pytest
  import mdct.windows
  
  
  def test_kbd():
      mdct.windows.kaiser_derived(50)
  
new_contents: import pytest
  import mdct.windows
  
  
  def test_kbd():
      mdct.windows.kaiser_derived(50)
  
      with pytest.raises(ValueError):
          mdct.windows.kaiser_derived(51)
  
subject: Test that asserts odd numbered windows dont work