  from nose.tools import assert_equal, assert_raises
  
  
  class TestBits(object):
  
      def test_pairwise_swap(self):
 
</s> remove class TestBits(object):
 </s> add class TestBits(unittest.TestCase): </s> remove from nose.tools import assert_equal, assert_raises
 </s> add import unittest </s> remove from nose.tools import assert_equal, assert_raises
 </s> add import unittest </s> remove class TestBits(object):
 </s> add class TestBits(unittest.TestCase): </s> remove class TestBits(object):
 </s> add class TestBits(unittest.TestCase):
import unittest
import unittest
  
  
  class TestBits(object):
  
      def test_pairwise_swap(self):
replace keep keep keep keep keep
 #273: Remove nose dependency for bit_manipulation/ (#279) 
bit_manipulation/pairwise_swap/test_pairwise_swap.py