new_contents: #!/usr/bin/env python
  """
  :Author Patrik Valkovic
  :Created 16.08.2017 19:16
  :Licence GNUv3
  Part of grammpy
  
  """
  
  from unittest import main, TestCase
  from grammpy import *
  
  
  class GrammarCopyTest(TestCase):
      pass
  
  
  if __name__ == '__main__':
      main()
  
subject: Add file for tests of grammar copy