old_contents: 
  '''
  PEXPECT LICENSE
  
      This license is approved by the OSI and FSF as GPL-compatible.
          http://opensource.org/licenses/isc-license.txt
  
      Copyright (c) 2012, Noah Spurrier <noah@noah.org>
      PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
      PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
      COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
      THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
      ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  '''
  
  import unittest
  import sys
  import os
  
  class PexpectTestCase(unittest.TestCase):
      def setUp(self):
          self.PYTHONBIN = sys.executable
          self.original_path = os.getcwd()
          newpath = os.path.join (os.environ['PROJECT_PEXPECT_HOME'], 'tests')
          os.chdir (newpath)
          print '\n', self.id(),
          unittest.TestCase.setUp(self)
      def tearDown(self):
          os.chdir (self.original_path)
  
  
new_contents: 
  '''
  PEXPECT LICENSE
  
      This license is approved by the OSI and FSF as GPL-compatible.
          http://opensource.org/licenses/isc-license.txt
  
      Copyright (c) 2012, Noah Spurrier <noah@noah.org>
      PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
      PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
      COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
      THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
      ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  '''
  from __future__ import print_function
  
  import unittest
  import sys
  import os
  
  class PexpectTestCase(unittest.TestCase):
      def setUp(self):
          self.PYTHONBIN = sys.executable
          self.original_path = os.getcwd()
          newpath = os.path.join (os.environ['PROJECT_PEXPECT_HOME'], 'tests')
          os.chdir (newpath)
          print('\n', self.id(), end='')
          unittest.TestCase.setUp(self)
      def tearDown(self):
          os.chdir (self.original_path)
  
  
subject: Make test case base compatible with Python 3