Fix sniffer support for python 3.x

Author: tony

scent.py

@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 
 import os
 import termstyle
@@ -27,8 +28,7 @@ def execute_nose(*args):
         return main()
     except SystemExit as x:
         if x.message:
-            print "Found error {0}: {1}".format(x.code, x.message)
+            print("Found error {0}: {1}".format(x.code, x.message))
             return not x.code
         else:
             return 1
-