From 11b89eb89b617f2ba01c628d94b1d1861b93ecf4 Mon Sep 17 00:00:00 2001
From: Jorran de Wit <jorrandewit@outlook.com>
Date: Wed, 12 Jul 2017 09:01:05 +0200
Subject: [PATCH] Fix TypeError

---
 journals/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/journals/utils.py b/journals/utils.py
index 1771a39eb..1f1f0e0bd 100644
--- a/journals/utils.py
+++ b/journals/utils.py
@@ -52,7 +52,7 @@ class JournalUtils(object):
                 'identifier': [
                     {
                         'type': 'doi',
-                        'id': cls.publication.doi_string()
+                        'id': cls.publication.doi_string
                     }
                 ],
                 'link': [
-- 
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