wrap class methods as functions when used as BookInfo validators

[librarian.git] / librarian / cover.py

diff --git a/librarian/cover.py b/librarian/cover.py
index f93e709..63e4aa0 100644 (file)
--- a/librarian/cover.py
+++ b/librarian/cover.py
@@ -118,7 +118,7 @@ class Cover(object):
         }
 
     def __init__(self, book_info):
-        self.author = book_info.author.readable()
+        self.author = ", ".join(auth.readable() for auth in book_info.authors)
         self.title = book_info.title
 
     def pretty_author(self):