# 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