  from nose.tools import assert_equal, assert_true, assert_raises
  
  
  class TestMathOps(object):
  
      def test_math_ops(self):
          solution = Solution()
          assert_raises(TypeError, solution.insert, None)
          solution.insert(5)
 
</s> remove         assert_raises(TypeError, solution.insert, None)
 </s> add         self.assertRaises(TypeError, solution.insert, None) </s> remove from nose.tools import assert_equal, assert_true, assert_raises
 </s> add import unittest </s> remove class TestSolution(object):
 </s> add class TestSolution(unittest.TestCase): </s> remove class TestSubTwo(object):
 </s> add class TestSubTwo(unittest.TestCase): </s> remove class TestSumTwo(object):
 </s> add class TestSumTwo(unittest.TestCase):
class TestMathOps(unittest.TestCase):
  from nose.tools import assert_equal, assert_true, assert_raises
  
  
class TestMathOps(unittest.TestCase):
  
      def test_math_ops(self):
          solution = Solution()
          assert_raises(TypeError, solution.insert, None)
          solution.insert(5)
keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for math_probability/ (#281) 
math_probability/math_ops/test_math_ops.py