The more RFC-blessed way

lib/nntp/tiny/session.py

@@ -685,8 +685,8 @@ class Session():
             message.created_on.isoformat(),
             message.message_id,
             message.parent_id or '',
-            str(len(message.body)),
-            str(message.body.count('\n') + 1),
+            str(len(message.content)),
+            str(message.content.count('\n') + 1),
         ])
 
     def _cmd_over(self, identifier: Optional[str]=None):