  from nose.tools import assert_equal
  from nose.tools import raises
  
  
  class TestStacks(object):
  
      @raises(Exception)
 
</s> remove class TestStacks(object):
 </s> add class TestStacks(unittest.TestCase): </s> remove from nose.tools import assert_equal
 </s> add import unittest </s> remove from nose.tools import assert_equal
 </s> add import unittest </s> remove from nose.tools import assert_equal
 </s> add import unittest </s> remove import sys
from nose.tools import assert_equal
 </s> add import unittest
import unittest
import unittest
import unittest
  
  
  class TestStacks(object):
  
      @raises(Exception)
replace replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276) 
stacks_queues/n_stacks/test_n_stacks.py