run.py

from typing import Any
import gradio as gr


def fetch_media(_: str = "") -> Any:
    return {
        "orig_name": "lion.jpg",
        "url": "https://gradio-static-files.s3.us-west-2.amazonaws.com/lion.jpg",
        "mime_type": "image/jpeg",
    }


demo = gr.Workflow(graph="workflow.json", bind={"fetch_media": fetch_media})

if __name__ == "__main__":
    demo.launch()