app_py.py

# app.py - Entry point for Hugging Face Spaces
# This file is required and must be named app.py for HF Spaces

# Import your main script
from ocs4dev import create_demo  # Make sure this function exists and returns a gr.Blocks object

if __name__ == "__main__":
    # Create and launch the demo
    demo = create_demo()
    demo.launch()

# For HF Spaces, also define at module level
demo = create_demo()
demo.launch()