      "# %load test_delete_mid.py\n",
      "from nose.tools import assert_equal\n",
      "\n",
      "\n",
      "class TestDeleteNode(object):\n",
      "\n",
      "    def test_delete_node(self):\n",
      "        print('Test: Empty list, null node to delete')\n",
      "        linked_list = MyLinkedList(None)\n",
      "        linked_list.delete_node(None)\n",
 
</s> remove     "class TestDeleteNode(object):\n",
 </s> add     "class TestDeleteNode(unittest.TestCase):\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n", </s> remove     "        assert_equal(linked_list.get_all_data(), [])\n",
 </s> add     "        self.assertEqual(linked_list.get_all_data(), [])\n", </s> remove     "        assert_equal(linked_list.get_all_data(), [])\n",
 </s> add     "        self.assertEqual(linked_list.get_all_data(), [])\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n",
    "class TestDeleteNode(unittest.TestCase):\n",
      "# %load test_delete_mid.py\n",
      "from nose.tools import assert_equal\n",
      "\n",
      "\n",
    "class TestDeleteNode(unittest.TestCase):\n",
      "\n",
      "    def test_delete_node(self):\n",
      "        print('Test: Empty list, null node to delete')\n",
      "        linked_list = MyLinkedList(None)\n",
      "        linked_list.delete_node(None)\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for linked_lists/ (#275) 
linked_lists/delete_mid/delete_mid_challenge.ipynb