      test.test_coin_change()
  
  
  if __name__ == '__main__':
      main() 
</s> remove     main() </s> add 
      test.test_coin_change()
  
  
  if __name__ == '__main__':

keep keep keep keep replace
 #273: Remove nose dependency for recursion_dynamic/ (#280) 
recursion_dynamic/coin_change/test_coin_change.py