How to structure the file so that i wont get file not found error after deploying

My app is working fine in local with the current structure after delpoying into streamlit cloud it was showing file not found error

Any idea would be appreciated

[Streamlit-cartoonizer-app/Streamlit_app at main · sayile/Streamlit-cartoonizer-app · GitHub]

Use the above link for the github code

File "/home/appuser/venv/lib/python3.10/site-packages/streamlit/scriptrunner/script_runner.py", line 557, in _run_script
    exec(code, module.__dict__)File "Streamlit_app/pages/Facial_cartoonizer.py", line 1, in <module>
    import cv2