      "class TestPairParentheses(object):\n",
      "\n",
      "    def test_pair_parentheses(self):\n",
      "        parentheses = Parentheses()\n",
      "        assert_raises(TypeError, parentheses.find_pair, None)\n",
      "        assert_raises(ValueError, parentheses.find_pair, -1)\n",
      "        assert_equal(parentheses.find_pair(0), [])\n",
      "        assert_equal(parentheses.find_pair(1), ['()'])\n",
      "        assert_equal(parentheses.find_pair(2), ['(())',\n",
      "                                                '()()'])\n",
      "        assert_equal(parentheses.find_pair(3), ['((()))',\n",
      "                                                '(()())',\n",
      "                                                '(())()',\n",
      "                                                '()(())',\n",
 
</s> remove     "        assert_raises(TypeError, parentheses.find_pair, None)\n",
    "        assert_raises(ValueError, parentheses.find_pair, -1)\n",
    "        assert_equal(parentheses.find_pair(0), [])\n",
    "        assert_equal(parentheses.find_pair(1), ['()'])\n",
    "        assert_equal(parentheses.find_pair(2), ['(())',\n",
 </s> add     "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n", </s> remove     "        assert_equal(parentheses.find_pair(3), ['((()))',\n",
 </s> add     "        self.assertEqual(parentheses.find_pair(3), ['((()))',\n", </s> remove     "        assert_equal(parentheses.find_pair(3), ['((()))',\n",
 </s> add     "        self.assertEqual(parentheses.find_pair(3), ['((()))',\n", </s> remove     "class TestPairParentheses(object):\n",
 </s> add     "class TestPairParentheses(unittest.TestCase):\n", </s> remove     "class TestPairParentheses(object):\n",
 </s> add     "class TestPairParentheses(unittest.TestCase):\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
      "class TestPairParentheses(object):\n",
      "\n",
      "    def test_pair_parentheses(self):\n",
      "        parentheses = Parentheses()\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
    "        self.assertRaises(TypeError, parentheses.find_pair, None)\n",
    "        self.assertRaises(ValueError, parentheses.find_pair, -1)\n",
    "        self.assertEqual(parentheses.find_pair(0), [])\n",
    "        self.assertEqual(parentheses.find_pair(1), ['()'])\n",
    "        self.assertEqual(parentheses.find_pair(2), ['(())',\n",
      "                                                '()()'])\n",
      "        assert_equal(parentheses.find_pair(3), ['((()))',\n",
      "                                                '(()())',\n",
      "                                                '(())()',\n",
      "                                                '()(())',\n",
keep keep keep keep replace replace replace replace replace keep keep keep keep keep
 #273: Remove nose dependency for recursion_dynamic/ (#280) 
recursion_dynamic/n_pairs_parentheses/n_pairs_parentheses_challenge.ipynb