fix:

bot_telegram.py

@@ -250,7 +250,7 @@ class TelegramBot:
             result = await asyncio.get_event_loop().run_in_executor(
                 self.excel_executor,
                 self._process_excel_sync,
-                file_bytes,  # Now file_bytes is defined
+                file_bytes,
                 document.file_name
             )