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[wolnelektury.git] / src / catalogue / api / fields.py

diff --git a/src/catalogue/api/fields.py b/src/catalogue/api/fields.py
index 371da38..d95c3a8 100644 (file)
--- 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: