add __future__.print_function for better print

xanpeng · xanpeng · commit e8f2742f659d · 2015-05-04T22:27:52.000+08:00
diff --git a/state.py b/state.py
@@ -1,6 +1,7 @@
 """Implementation of the state pattern"""
 
 # http://ginstrom.com/scribbles/2007/10/08/design-patterns-python-style/
+from __future__ import print_function
 
 
 class State(object):
