old_contents: import sys
  from six import print_
  import inspect
  from sys import executable
  
  current_ortools_version = "VVVV"
  minimum_protobuf_version = "PROTOBUF_TAG"
  print_ ("Python path : " + sys.executable)
  print_ ("Python version : " + sys.version + "\n")
  
  def notinstalled(modulename):
  	return modulename + """ is not installed for \"""" + sys.executable + """\"
  Please run \"easy_install --user """ + modulename + """\""""
  
  def wrong_version(module, modulename, required_version):
  	return """
  You're using an old version of """ + modulename + """ : """ + inspect.getfile(module) + """
  The minimum required version is : """ + required_version + """
  Please run \"""" + str(sys.executable) + """ setup.py install --user\" to upgrade
  If the problem persits, then """ + inspect.getfile(module) + """ is binding the newely installed version of """ + modulename + """
  You should either remove it, or use PYTHONPATH to manage your sys.path. If you decide to use PYTHONPATH, please do it to run the ortools examples as well.
  Please check https://docs.python.org/3/tutorial/modules.html#the-module-search-path from more information."""
  
  
  #try to import setuptools
  try:
      from setuptools import setup, Extension
      from setuptools.command import easy_install
  except ImportError:
      raise ImportError("""setuptools is not installed for \"""" + sys.executable + """\"
  Please follow this link for installing instructions :
  https://pypi.python.org/pypi/setuptools
  make sure you use \"""" + sys.executable + """\" during the installation""")
      raise SystemExit
  
  #try to import ortools
  try:
  	import ortools
  except ImportError:
      print_ (notinstalled("ortools"))
      raise SystemExit
  
  #try to import protobuf
  try:
  	import google.protobuf
  except ImportError:
      print_ (notinstalled("protobuf"))
      raise SystemExit
  
  #check ortools version
  try:
  	if current_ortools_version > ortools.__version__:
  		raise Exception
  	print_ ("or-tools version : " + ortools.__version__)
  	print_ (inspect.getfile(ortools) + "\n")
  except (AttributeError, Exception):
  	print_ (wrong_version(ortools, "ortools", current_ortools_version))
  	raise SystemExit
  
  #check protobuf version
  #print_(cmp(minimum_protobuf_version, google.protobuf.__version__) + "\n")
  try:
  	if minimum_protobuf_version > google.protobuf.__version__:
  		raise Exception
  	print_ ("protobuf version : " + google.protobuf.__version__)
  	print_ (inspect.getfile(google.protobuf) + "\n")
  except (AttributeError, Exception):
  	print_ (wrong_version(google.protobuf, "protobuf", minimum_protobuf_version))
  	raise SystemExit
  
new_contents: import sys
  from six import print_
  import inspect
  from sys import executable
  
  current_ortools_version = "VVVV"
  minimum_protobuf_version = "PROTOBUF_TAG"
  print_ ("Python path : " + sys.executable)
  print_ ("Python version : " + sys.version + "\n")
  
  def notinstalled(modulename):
  	return modulename + """ is not installed for \"""" + sys.executable + """\"
  Please run \"easy_install --user """ + modulename + """\""""
  
  def wrong_version(module, modulename, required_version):
  	return """
  You're using an old version of """ + modulename + """ : """ + inspect.getfile(module) + """
  The minimum required version is : """ + required_version + """
  Please run \"""" + str(sys.executable) + """ setup.py install --user\" to upgrade
  If the problem persits, then """ + inspect.getfile(module) + """ is binding the newely installed version of """ + modulename + """
  You should either remove it, or use PYTHONPATH to manage your sys.path. If you decide to use PYTHONPATH, please do it to run the ortools examples as well.
  Please check https://docs.python.org/3/tutorial/modules.html#the-module-search-path from more information."""
  
  
  #try to import setuptools
  try:
      from setuptools import setup, Extension
      from setuptools.command import easy_install
  except ImportError:
      raise ImportError("""setuptools is not installed for \"""" + sys.executable + """\"
  Please follow this link for installing instructions :
  https://pypi.python.org/pypi/setuptools
  make sure you use \"""" + sys.executable + """\" during the installation""")
      raise SystemExit
  
  from pkg_resources import parse_version
  
  #try to import ortools
  try:
  	import ortools
  except ImportError:
      print_ (notinstalled("ortools"))
      raise SystemExit
  
  #try to import protobuf
  try:
  	import google.protobuf
  except ImportError:
      print_ (notinstalled("protobuf"))
      raise SystemExit
  
  #check ortools version
  try:
  	if parse_version(current_ortools_version) > parse_version(ortools.__version__):
  		raise Exception
  	print_ ("or-tools version : " + ortools.__version__)
  	print_ (inspect.getfile(ortools) + "\n")
  except (AttributeError, Exception):
  	print_ (wrong_version(ortools, "ortools", current_ortools_version))
  	raise SystemExit
  
  #check protobuf version
  #print_(cmp(minimum_protobuf_version, google.protobuf.__version__) + "\n")
  try:
  	if parse_version(minimum_protobuf_version) > parse_version(google.protobuf.__version__):
  		raise Exception
  	print_ ("protobuf version : " + google.protobuf.__version__)
  	print_ (inspect.getfile(google.protobuf) + "\n")
  except (AttributeError, Exception):
  	print_ (wrong_version(google.protobuf, "protobuf", minimum_protobuf_version))
  	raise SystemExit
  
subject: fix in python version comparision