  from nose.tools import assert_equal
  
  
  class TestBfs(object):
  
      def __init__(self):
          self.results = Results()
  
      def test_bfs(self):
 
</s> remove class TestBfs(object):
 </s> add class TestBfs(unittest.TestCase): </s> remove class TestDfs(object):
 </s> add class TestDfs(unittest.TestCase): </s> remove class TestTree(object):
 </s> add class TestTree(unittest.TestCase): </s> remove class TestDfs(object):
 </s> add class TestDfs(unittest.TestCase): </s> remove     def __init__(self):
 </s> add     def __init__(self, *args, **kwargs):
        super(TestBfs, self).__init__()
class TestBfs(unittest.TestCase):
  from nose.tools import assert_equal
  
  
class TestBfs(unittest.TestCase):
  
      def __init__(self):
          self.results = Results()
  
      def test_bfs(self):
keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/graph_bfs/test_bfs.py