fix str

diff --git a/teleforma/models/pro.py b/teleforma/models/pro.py
index 6ecf4b6e2139f3e0e3dd07ef21f42a2745232fd9..494b088234b05cc067a084700c71a44d8d38eb44 100755 (executable)
--- a/teleforma/models/pro.py
+++ b/teleforma/models/pro.py
@@ -105,7 +105,7 @@ class Seminar(ClonableMixin, Displayable):
 
     def __unicode__(self):
         if self.publish_date:
-            return ' - '.join([self.publish_date.year, self.course.title, str(self.rank), self.title])
+            return ' - '.join([str(self.publish_date.year), self.course.title, str(self.rank), self.title])
         else:
             return ' - '.join([self.course.title, str(self.rank), self.title])