Return articles slug instead of title

authors/apps/articles/serializers.py

@@ -255,7 +255,7 @@ def create(self, validated_data):
     def to_representation(self, instance):
         response = super().to_representation(instance)
         response["user"] = instance.user.username
-        response["article"] = instance.article.title
+        response["article_slug"] = instance.article.slug
         return response
 
     class Meta: