basestring is enough instead of (str, unicode, dbus.types.String)

zorg/zorg/parser.py

 # -*- coding: utf-8 -*-
 
-import dbus.types
-
 trueList = ("1", "on", "true", "yes", "enable")
 falseList = ("0", "off", "false", "no", "disable")
 
@@ -59,7 +57,7 @@ class XorgEntry:
 def entryFormat(values):
     s = ""
     for v in values:
-        if isinstance(v, (str, unicode, dbus.types.String)):
+        if isinstance(v, basestring):
             s += ' "%s"' % v
         else:
             s += " %s" % v