py23 import in all nontrivial source files and unused import cleanup
diff --git a/Lib/fontTools/t1Lib.py b/Lib/fontTools/t1Lib.py
index 6255a8c..22a51c7 100644
--- a/Lib/fontTools/t1Lib.py
+++ b/Lib/fontTools/t1Lib.py
@@ -24,6 +24,7 @@
 from fontTools.misc.macCreatorType import getMacCreatorAndType
 import re
 import os
+from fontTools.misc.py23 import *
 
 
 try: