fix new in_fav detail

apps/news/views.py

@@ -44,10 +44,10 @@ class NewsDetailView(NewsMixinView, generics.RetrieveAPIView):
     lookup_field = 'slug'
     serializer_class = serializers.NewsDetailWebSerializer
 
-    queryset = models.News.objects.all()
-
     def get_queryset(self):
-        return self.queryset
+        """Override get_queryset method."""
+        qs = models.News.objects.all().annotate_in_favorites(self.request.user)
+        return qs
 
 
 class NewsTypeListView(generics.ListAPIView):