fix bug in recommend

shonenada · May 20, 2014 · 271d747 · 271d747
1 parent 91e5eb4
commit 271d747
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/mooc/services/account.py b/mooc/services/account.py
@@ -53,12 +53,13 @@ def create_user(data):
 
 
 def get_user_recommends(user):
-    recommends = list()
+    recommends = set()
     if not user or user.is_anonymous():
         return None
 
     tags = [r.tag for r in user.recommends]
     for tag in tags:
-        recommends.extend(tag.courses)
+        for course in tag.courses:
+            recommends.add(course)
 
     return recommends