}
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