  from nose.tools import assert_equal
  
  
  class TestQueueFromStacks(object):
  
      def test_queue_from_stacks(self):
          print('Test: Dequeue on empty stack')
          queue = QueueFromStacks()
          assert_equal(queue.dequeue(), None)
 
</s> remove         assert_equal(queue.dequeue(), None)
 </s> add         self.assertEqual(queue.dequeue(), None) </s> remove from nose.tools import assert_equal
 </s> add import unittest </s> remove class TestStacks(object):
 </s> add class TestStacks(unittest.TestCase): </s> remove class TestSetOfStacks(object):
 </s> add class TestSetOfStacks(unittest.TestCase): </s> remove class TestStackMin(object):
 </s> add class TestStackMin(unittest.TestCase):
class TestQueueFromStacks(unittest.TestCase):
  from nose.tools import assert_equal
  
  
class TestQueueFromStacks(unittest.TestCase):
  
      def test_queue_from_stacks(self):
          print('Test: Dequeue on empty stack')
          queue = QueueFromStacks()
          assert_equal(queue.dequeue(), None)
keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276) 
stacks_queues/queue_from_stacks/test_queue_from_stacks.py