          pass
  
  if __name__ == '__main__':
      main()
 
</s> remove     main() </s> add  </s> remove     main() </s> add  </s> remove   main() </s> add  </s> remove     test = UnitTest()
 </s> add     test = TestReverseWords() </s> remove    "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
 </s> add    "execution_count": 1,
   "metadata": {},
    main()
          pass
  
  if __name__ == '__main__':
      main()
    main()
keep keep keep add
 #273: Remove nose dependency for staging/ (#283) 
staging/sorting_searching/group_ordered/test_group_ordered.py