old_contents: from imagekit import ImageSpec, register
  
  
  class TestSpec(ImageSpec):
      pass
  
  
  register.spec(TestSpec, 'testspec')
  
new_contents: from imagekit import ImageSpec, register
  
  
  class TestSpec(ImageSpec):
      pass
  
  
  register.spec('testspec', TestSpec)
  
subject: Correct argument order