fix: Excel file error fix

bot_telegram.py

@@ -7,6 +7,7 @@ import aiohttp
 import io
 import asyncio
 from concurrent.futures import ThreadPoolExecutor
+import time
 
 # Configure logging
 logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
@@ -264,9 +265,48 @@ class TelegramBot:
         except Exception as e:
             return None, str(e)
 
+    async def test_concurrent(self, update: Update, context: CallbackContext):
+        """Test concurrent processing"""
+        await update.message.reply_text("Sending 5 requests simultaneously...")
+        
+        tasks = []
+        for i in range(5):
+            msg = f"Test question {i+1}"
+            tasks.append(self.chat_with_ai(update, context))
+        
+        await asyncio.gather(*tasks)
+
+    async def load_test_command(self, update: Update, context: CallbackContext):
+        """Command to test concurrent processing"""
+        if not context.args or not context.args[0].isdigit():
+            await update.message.reply_text("Usage: /loadtest <number_of_requests>")
+            return
+            
+        num_requests = min(int(context.args[0]), 20)  # Limit to 20 for safety
+        await update.message.reply_text(f"Starting load test with {num_requests} concurrent requests...")
+        
+        start_time = time.time()
+        tasks = []
+        for i in range(num_requests):
+            tasks.append(self.chat_with_ai(
+                update, 
+                context, 
+                f"Test question {i+1}"
+            ))
+        
+        await asyncio.gather(*tasks)
+        duration = time.time() - start_time
+        
+        await update.message.reply_text(
+            f"Load test completed!\n"
+            f"Processed {num_requests} requests in {duration:.2f} seconds\n"
+            f"Average time per request: {(duration/num_requests):.2f} seconds"
+        )
+
     def setup_handlers(self):
         """Set up Telegram command and message handlers."""
         self.app.add_handler(CommandHandler("start", self.start_command))
+        self.app.add_handler(CommandHandler("loadtest", self.load_test_command))
         self.app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, self.handle_message))
         self.app.add_handler(MessageHandler(filters.Document.FileExtension("xlsx") | filters.Document.FileExtension("xls"), self.handle_excel))