app.py

import gradio as gr
import joblib
from skops import io as sio

def convert(file):
    print(file)
    obj = joblib.load(file)
    return sio.dumps(obj)


file_output = gr.File()
upload_button = gr.UploadButton("Click to Upload a File", file_types=None, file_count="single")

iface = gr.Interface(fn=convert, inputs=upload_button, outputs=gr.UploadButton())
iface.launch()