from __future__ import absolute_import

Such that our Python 2 is closer to Python 3.

Part of https://github.com/behdad/fonttools/issues/77
diff --git a/Lib/fontTools/ttLib/sfnt.py b/Lib/fontTools/ttLib/sfnt.py
index 6291510..0fd12c1 100644
--- a/Lib/fontTools/ttLib/sfnt.py
+++ b/Lib/fontTools/ttLib/sfnt.py
@@ -12,7 +12,7 @@
 a table's length chages you need to rewrite the whole file anyway.
 """
 
-from __future__ import print_function, division
+from __future__ import print_function, division, absolute_import
 from fontTools.misc.py23 import *
 from fontTools.misc import sstruct
 import struct