py23 from __future__ import division and adjust divisions
diff --git a/Lib/fontTools/ttx.py b/Lib/fontTools/ttx.py
index 7e5e41b..5566766 100644
--- a/Lib/fontTools/ttx.py
+++ b/Lib/fontTools/ttx.py
@@ -66,7 +66,7 @@
 """
 
 
-from __future__ import print_function
+from __future__ import print_function, division
 from fontTools.misc.py23 import *
 from fontTools.ttLib import TTFont, TTLibError
 from fontTools.ttLib.tables.otBase import OTLOffsetOverflowError