X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/d2a9ebf1eae1ee5fa8a09a7dfea76995274f7716..f62cf7aef22c2c6797f5069d8d436a02977d89e9:/src/lesmianator/models.py

diff --git a/src/lesmianator/models.py b/src/lesmianator/models.py
index bcf271ca2..e32dd0467 100644
--- a/src/lesmianator/models.py
+++ b/src/lesmianator/models.py
@@ -140,7 +140,8 @@ class Continuations(models.Model):
 
     @classmethod
     def for_userlist(cls, ul):
-        cont_tabs = (cls.get(b) for b in ul.get_books())
+        cont_tabs = [cls.get(b) for b in ul.get_books()]
+        if not cont_tabs: return {}
         return reduce(cls.join_conts, cont_tabs)
 
     @classmethod