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