X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/2856ae6ae36213ca7997366e0c7790e3c855e62f..c7c0b88f1f628f0498c8c53c76a061ec128a228a:/apps/catalogue/models/book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index 0438afa21..c865d1d87 100644
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -495,7 +495,7 @@ class Book(models.Model):
         book = self
         rel_info = book.related_info()
         names = [(related_tag_name(tag), Tag.create_url('author', tag['slug']))
-                    for tag in rel_info['tags']['author']]
+                    for tag in rel_info['tags'].get('author', ())]
         if 'parents' in rel_info:
             books = [(name, Book.create_url(slug))
                         for name, slug in rel_info['parents']]