text: import sys
  
  # Override theSystemPath so it throws KeyError on gi.pygtkcompat:
  from twisted.python import modules
  modules.theSystemPath = modules.PythonPath([], moduleDict={})
  
  # Now, when we import gireactor it shouldn't use pygtkcompat, and should
  # instead prevent gobject from being importable:
  from twisted.internet import gireactor
  for name in gireactor._PYGTK_MODULES:
      if sys.modules[name] is not None:
          sys.stdout.write("failure, sys.modules[%r] is %r, instead of None" %
                           (name, sys.modules["gobject"]))
          sys.exit(0)
  
  try:
      import gobject
  except ImportError:
      sys.stdout.write("success")
  else:
      sys.stdout.write("failure: %s was imported" % (gobject.__path__,))
  
  