update gradio dependency to include mcp extras in requirements.txt

update gradio version to 5.35.0 in app.py and requirements.txt

update gradio version to 5.20.0 in app.py and requirements.txt

update gradio version to 4.45.0 and gradio_client to 1.4.0; add error handling for demo launch

update pydantic version requirement to >=2.0 in requirements

downgrade gradio_client version to 1.3.0 in requirements

downgrade gradio version to 4.44.1 and update requirements

update gradio version to 5.35.0

update paddleocr version to 2.9.1

Changed pyav -> av

Changed the version of pyav

update

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push demo