bad fix but ok for now

main.py

@@ -114,6 +114,12 @@ class PendingUser:
 
         self.message_id = message
 
+        if self.user_id not in pending[self.peer_id]:
+            try:
+                await bot.delete_messages(self.peer_id, self.message_id)
+            except Exception:
+                pass
+
     async def update_captcha(self, only_text=False):
         if not only_text:
             self.captcha = "".join(random.sample(string.ascii_uppercase, 4))