X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/1a407848c86505b6491a2d11a269782154fd8582..94ca8037f9a5891b7ded1c92c639e0fbc676e67b:/src/catalogue/api/fields.py

diff --git a/src/catalogue/api/fields.py b/src/catalogue/api/fields.py
index 371da38ad..d95c3a857 100644
--- a/src/catalogue/api/fields.py
+++ b/src/catalogue/api/fields.py
@@ -14,8 +14,10 @@ class BookLiked(serializers.ReadOnlyField):
     def to_representation(self, value):
         request = self.context['request']
         if not hasattr(request, 'liked_books'):
-            if request.user.is_authenticated():
-                request.liked_books = set(Book.tagged.with_any(request.user.tag_set.all()).values_list('id', flat=True))
+            if request.user.is_authenticated:
+                request.liked_books = set(
+                    Book.tagged.with_any(request.user.tag_set.all()).values_list('id', flat=True)
+                )
             else:
                 request.liked_books = None
         if request.liked_books is not None: