      "# %load test_anagrams.py\n",
      "from nose.tools import assert_equal, assert_raises\n",
      "\n",
      "\n",
      "class TestAnagrams(object):\n",
      "\n",
      "    def test_group_anagrams(self):\n",
      "        anagram = Anagram()\n",
      "        assert_raises(TypeError, anagram.group_anagrams, None)\n",
      "        data = ['ram', 'act', 'arm', 'bat', 'cat', 'tab']\n",
 
</s> remove     "class TestAnagrams(object):\n",
 </s> add     "class TestAnagrams(unittest.TestCase):\n", </s> remove     "        assert_raises(TypeError, anagram.group_anagrams, None)\n",
 </s> add     "        self.assertRaises(TypeError, anagram.group_anagrams, None)\n", </s> remove     "        assert_raises(TypeError, anagram.group_anagrams, None)\n",
 </s> add     "        self.assertRaises(TypeError, anagram.group_anagrams, None)\n", </s> remove     "        assert_equal(anagram.group_anagrams(data), expected)\n",
 </s> add     "        self.assertEqual(anagram.group_anagrams(data), expected)\n", </s> remove     "        assert_equal(anagram.group_anagrams(data), expected)\n",
 </s> add     "        self.assertEqual(anagram.group_anagrams(data), expected)\n",
    "class TestAnagrams(unittest.TestCase):\n",
      "# %load test_anagrams.py\n",
      "from nose.tools import assert_equal, assert_raises\n",
      "\n",
      "\n",
    "class TestAnagrams(unittest.TestCase):\n",
      "\n",
      "    def test_group_anagrams(self):\n",
      "        anagram = Anagram()\n",
      "        assert_raises(TypeError, anagram.group_anagrams, None)\n",
      "        data = ['ram', 'act', 'arm', 'bat', 'cat', 'tab']\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for sorting_searching/ (#278) 
sorting_searching/anagrams/anagrams_challenge.ipynb