--- a/rollbot.py	Sat May 14 18:03:07 2016 +0800
+++ b/rollbot.py	Sun May 15 11:34:28 2016 +0800
@@ -12,8 +12,6 @@
 if sys.version_info < (3, 0):
     reload(sys)
     sys.setdefaultencoding('utf8')
-else:
-    raw_input = input
 
 
 class Command(object):