fixed slice fix again

cookbook/serializer.py

@@ -1,6 +1,7 @@
 from decimal import Decimal
 
 from django.contrib.auth.models import User
+from django.db.models import QuerySet
 from drf_writable_nested import (UniqueFieldsMixin,
                                  WritableNestedModelSerializer)
 from rest_framework import serializers
@@ -44,7 +45,9 @@ class CustomDecimalField(serializers.Field):
 class SpaceFilterSerializer(serializers.ListSerializer):
 
     def to_representation(self, data):
-        if not data.query.is_sliced:  # if query is sliced it came from api request not nested serializer
+        if type(data) == QuerySet and data.query.is_sliced:
+            # if query is sliced it came from api request not nested serializer
+            return super().to_representation(data)
         if self.child.Meta.model == User:
             data = data.filter(userpreference__space=self.context['request'].space)
         else: