      }
     ],
     "source": [
      "%%writefile test_bits_to_flip.py\n",
      "from nose.tools import assert_equal\n",
      "\n",
      "\n",
      "class TestBits(object):\n",
      "\n",
      "    def test_bits_to_flip(self):\n",
 
</s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n", </s> remove     "from nose.tools import assert_equal\n",
 </s> add     "import unittest\n",
    "import unittest\n",
      }
     ],
     "source": [
      "%%writefile test_bits_to_flip.py\n",
    "import unittest\n",
      "\n",
      "\n",
      "class TestBits(object):\n",
      "\n",
      "    def test_bits_to_flip(self):\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for bit_manipulation/ (#279) 
bit_manipulation/bits_to_flip/bits_to_flip_solution.ipynb