X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/724310b910f3ec0aeb2a1fbd0189d5f588a00f8f..63cfa40372a9d33c84c0e4b61ed505173c780eae:/librarian/cover.py

diff --git a/librarian/cover.py b/librarian/cover.py
index 7343e68..dc64a9c 100644
--- a/librarian/cover.py
+++ b/librarian/cover.py
@@ -121,7 +121,10 @@ class Cover(object):
         }
 
     def __init__(self, book_info, format=None):
-        self.author = ", ".join(auth.readable() for auth in book_info.authors)
+        try:
+            self.author = ", ".join(auth.readable() for auth in book_info.authors)
+        except AttributeError:
+            self.author = ""
         self.title = book_info.title
         if format is not None:
             self.format = format