  from nose.tools import assert_equal, assert_raises
  
  
  class TestQuickSort(object):
  
      def test_quick_sort(self):
          quick_sort = QuickSort()
  
          print('None input')
 
</s> remove from nose.tools import assert_equal, assert_raises
 </s> add import unittest </s> remove         assert_raises(TypeError, quick_sort.sort, None)
 </s> add         self.assertRaises(TypeError, quick_sort.sort, None) </s> remove class TestMergeSort(object):
 </s> add class TestMergeSort(unittest.TestCase): </s> remove class TestInsertionSort(object):
 </s> add class TestInsertionSort(unittest.TestCase): </s> remove class TestSelectionSort(object):
 </s> add class TestSelectionSort(unittest.TestCase):
class TestQuickSort(unittest.TestCase):
  from nose.tools import assert_equal, assert_raises
  
  
class TestQuickSort(unittest.TestCase):
  
      def test_quick_sort(self):
          quick_sort = QuickSort()
  
          print('None input')
keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for sorting_searching/ (#278) 
sorting_searching/quick_sort/test_quick_sort.py