      "# %load test_search_sorted_matrix.py\n",
      "from nose.tools import assert_equal, assert_raises\n",
      "\n",
      "\n",
      "class TestSortedMatrix(object):\n",
      "\n",
      "    def test_find_val(self):\n",
      "        matrix = [[20, 40, 63, 80],\n",
      "                  [30, 50, 80, 90],\n",
      "                  [40, 60, 110, 110],\n",
 
</s> remove     "class TestSortedMatrix(object):\n",
 </s> add     "class TestSortedMatrix(unittest.TestCase):\n", </s> remove class TestSortedMatrix(object):
 </s> add class TestSortedMatrix(unittest.TestCase): </s> remove     "from nose.tools import assert_equal, assert_raises\n",
 </s> add     "import unittest\n", </s> remove     "        assert_raises(TypeError, sorted_matrix.find_val, None, None)\n",
    "        assert_equal(sorted_matrix.find_val(matrix, 1000), None)\n",
    "        assert_equal(sorted_matrix.find_val(matrix, 60), (2, 1))\n",
 </s> add     "        self.assertRaises(TypeError, sorted_matrix.find_val, None, None)\n",
    "        self.assertEqual(sorted_matrix.find_val(matrix, 1000), None)\n",
    "        self.assertEqual(sorted_matrix.find_val(matrix, 60), (2, 1))\n", </s> remove     "        assert_raises(TypeError, sorted_matrix.find_val, None, None)\n",
    "        assert_equal(sorted_matrix.find_val(matrix, 1000), None)\n",
    "        assert_equal(sorted_matrix.find_val(matrix, 60), (2, 1))\n",
 </s> add     "        self.assertRaises(TypeError, sorted_matrix.find_val, None, None)\n",
    "        self.assertEqual(sorted_matrix.find_val(matrix, 1000), None)\n",
    "        self.assertEqual(sorted_matrix.find_val(matrix, 60), (2, 1))\n",
    "class TestSortedMatrix(unittest.TestCase):\n",
      "# %load test_search_sorted_matrix.py\n",
      "from nose.tools import assert_equal, assert_raises\n",
      "\n",
      "\n",
    "class TestSortedMatrix(unittest.TestCase):\n",
      "\n",
      "    def test_find_val(self):\n",
      "        matrix = [[20, 40, 63, 80],\n",
      "                  [30, 50, 80, 90],\n",
      "                  [40, 60, 110, 110],\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for sorting_searching/ (#278) 
sorting_searching/search_sorted_matrix/search_sorted_matrix_challenge.ipynb