Deployment instructions:

1. Go to your cPanel > Setup Python App
2. Create a Python 3.9+ App with Application Root as 'car_invoice_portal'
3. Upload the contents of this zip into 'car_invoice_portal' directory
4. Run: pip install -r requirements.txt
5. Restart the Python App
6. Access via https://yourdomain.com/path_to_app/

Make sure to configure your SMTP details inside app.py!
