tidy file header

alimanfoo · alimanfoo · commit b9967e845f08 · 2016-04-13T18:43:35.000+01:00
diff --git a/zarr/constants.py b/zarr/constants.py
@@ -1,4 +1,5 @@
-__author__ = 'aliman'
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, division
 
 
 NOSHUFFLE = 0
