refactor serializer

src/news/serializers.py

@@ -5,12 +5,12 @@ from common.serializers import CurrentUserProfileDefault
 
 class ArticleSerializer(serializers.ModelSerializer):
     updated_by = serializers.HiddenField(default=CurrentUserProfileDefault())
-    last_updated_by = serializers.SerializerMethodField()
+    last_update_by = serializers.SerializerMethodField()
 
     class Meta:
         model = Article
         read_only_fields = ('author', 'created_at', 'updated_at', 'updated_by')
         fields = '__all__'
 
-    def get_last_updated_by(self, obj):
+    def get_last_update_by(self, obj):
         return obj.updated_by.id