Update app.py

app.py

@@ -50,8 +50,20 @@ def handle_update():
 
     return jsonify({'status': 'ok'}), 200
 
+async def delete_webhook():
+    """Deletes any existing webhook."""
+    async with httpx.AsyncClient(proxies=PROXY_URL) as client:
+        response = await client.post(f"https://api.telegram.org/bot{BOT_TOKEN}/deleteWebhook")
+        result = response.json()
+        if result.get('ok'):
+            logger.info("Existing webhook deleted.")
+        else:
+            logger.error(f"Failed to delete existing webhook: {result}")
+
 async def set_telegram_webhook():
     """Sets the webhook for the Telegram bot with proxy configuration."""
+    await delete_webhook()  # Delete existing webhook before setting a new one
+    
     webhook_url = f"https://measmonysuon-flyingbird.hf.space/webhooks/{WEBHOOK_SECRET}"
     retry_attempts = 5
     retry_delay = 1  # seconds