      "\n",
      "\n",
      "class TestBfs(object):\n",
      "\n",
      "    def __init__(self):\n",
      "        self.results = Results()\n",
      "\n",
      "    def test_bfs(self):\n",
      "        nodes = []\n",
      "        graph = GraphBfs()\n",
 
</s> remove     "    def __init__(self):\n",
 </s> add     "    def __init__(self, *args, **kwargs):\n",
    "        super(TestBfs, self).__init__()\n", </s> remove     "    def __init__(self):\n",
 </s> add     "    def __init__(self, *args, **kwargs):\n",
    "        super(TestDfs, self).__init__()\n", </s> remove     "    def __init__(self):\n",
 </s> add     "    def __init__(self, *args, **kwargs):\n",
    "        super(TestDfs, self).__init__()\n", </s> remove     "class TestBfs(object):\n",
 </s> add     "class TestBfs(unittest.TestCase):\n", </s> remove     "class TestBfs(object):\n",
 </s> add     "class TestBfs(unittest.TestCase):\n",
    "    def __init__(self, *args, **kwargs):\n",
    "        super(TestBfs, self).__init__()\n",
      "\n",
      "\n",
      "class TestBfs(object):\n",
      "\n",
    "    def __init__(self, *args, **kwargs):\n",
    "        super(TestBfs, self).__init__()\n",
      "        self.results = Results()\n",
      "\n",
      "    def test_bfs(self):\n",
      "        nodes = []\n",
      "        graph = GraphBfs()\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/graph_bfs/bfs_challenge.ipynb