From 8aa81e8599eb59532cafc5432b99a8fb39e303bb Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Thu, 7 Apr 2016 17:02:29 +0200
Subject: Always return a string in prolog.util.Token.__str__

---
 prolog/util.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prolog/util.py b/prolog/util.py
index c0f1ef5..644080d 100644
--- a/prolog/util.py
+++ b/prolog/util.py
@@ -28,7 +28,7 @@ class Token(namedtuple('Token', ['type', 'val', 'pos'])):
         return super(Token, cls).__new__(cls, type, val, pos)
 
     def __str__(self):
-        return self.val
+        return str(self.val)
 
     # Only consider type and value when comparing tokens. There is probably a
     # cleaner way of doing this.
-- 
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