Update main.py

main.py

@@ -45,7 +45,7 @@ def has_code_entity(message):
 
 @bot.on_callback_query(filters.regex(r"^unwarn_(\d+)$"))
 async def unwarn_button(client, callback_query):
-    user_id = int(callback_query.match.group(1))
+    user_id = int(callback_query.matches[0].group(1))
     chat_id = callback_query.message.chat.id
     from_user = callback_query.from_user
     try: