old_contents: import sys
  import time
  import logging
  
  log = logging.getLogger(__name__)
  
  # test cases
  def test_test():
      for i in range(200):
          print "Mu! {0}".format(i)
      assert False
  def test_test2():
      assert really_long_name_for_a_variable_oh_boy_this_is_long_wheeeeeeeeeeeeeeee == YOUR_MOTHER_IS_A_NICE_LADY
  
  def test():
      assert True
  
  def test_test_test_test_test_test_test_test_test_test_test_test_test_test_test():
      assert False
  
  def test_test3():
      assert False
  def test_test4():
      time.sleep(1)
      assert False
  
  def test_test5():
      assert False
  def test_test6():
      assert False
  def test_test7():
      assert False
  def test_test8():
      assert False
  def test_test9():
      assert False
  def test_test10():
      assert False
  
  def mu_test():
      print "BANG BANG"
  
      sys.stderr.write("MU\n")
      log.debug('DANG')
      assert aoeu
  
new_contents: import sys
  import time
  import logging
  
  log = logging.getLogger(__name__)
  
  # test cases
  def test_test():
      for i in range(200):
          print "Mu! {0}".format(i)
          print 'WHEE' * 100
      assert False
  def test_test2():
      assert really_long_name_for_a_variable_oh_boy_this_is_long_wheeeeeeeeeeeeeeee == YOUR_MOTHER_IS_A_NICE_LADY
  
  def test():
      assert True
  
  def test_test_test_test_test_test_test_test_test_test_test_test_test_test_test():
      assert False
  
  def test_test3():
      assert False
  def test_test4():
      time.sleep(1)
      assert False
  
  def test_test5():
      assert False
  def test_test6():
      assert False
  def test_test7():
      assert False
  def test_test8():
      assert False
  def test_test9():
      assert False
  def test_test10():
      assert False
  
  def mu_test():
      print "BANG BANG"
  
      sys.stderr.write("MU\n")
      log.debug('DANG')
      assert aoeu
  
subject: Add stress test for wrapping stdout