2to3 Use py23 to close some of the bytes/str/unicode gaps
diff --git a/Lib/fontTools/cffLib.py b/Lib/fontTools/cffLib.py
index 1577606..7a74041 100644
--- a/Lib/fontTools/cffLib.py
+++ b/Lib/fontTools/cffLib.py
@@ -8,11 +8,7 @@
 from fontTools.misc import sstruct
 from fontTools.misc import psCharStrings
 from fontTools.misc.textTools import safeEval
-
-try:
-	basestring
-except NameError:
-	basestring = str
+from fontTools.misc.py23 import *
 
 DEBUG = 0