X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/75957f735219259d3b4bc361f80ccd3d7b92a0e9..c6537f136f4ec0230f5e7c71dd1abf9616151a47:/src/catalogue/models/source.py

diff --git a/src/catalogue/models/source.py b/src/catalogue/models/source.py
index c678cad51..ee024e0e6 100644
--- a/src/catalogue/models/source.py
+++ b/src/catalogue/models/source.py
@@ -2,7 +2,7 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class Source(models.Model):
@@ -25,7 +25,7 @@ class Source(models.Model):
             str(self.pk)
             old_self = type(self).objects.get(pk=self)
         except type(self).DoesNotExist:
-            old_name = u''
+            old_name = ''
             old_netloc = self.netloc
         else:
             old_name = old_self.name
@@ -37,7 +37,7 @@ class Source(models.Model):
         # and invalidate their cached includes.
         if old_name != self.name or old_netloc != self.netloc:
             for book in Book.objects.all():
-                source = book.extra_info.get('source_url', '')
+                source = book.get_extra_info_json().get('source_url', '')
                 if self.netloc in source or (old_netloc != self.netloc and old_netloc in source):
                     book.clear_cache()
         return ret