app.py

import gradio as gr

def generate(image_editor):
    return image_editor

with gr.Blocks() as demo:
    gr.Markdown("""
    # Inpainting Sketch Pad
    by [Tony Assi](https://www.tonyassi.com/)
    """)
    
    with gr.Row():
        with gr.Column():
            version_gallery = gr.Gallery()
            restore_button = gr.Button("Restore Version")
        with gr.Column():
            sketch_pad = gr.ImageEditor()
            generate_button = gr.Button("Generate")

            
    with gr.Row():
        out1 = gr.Image()
        out2 = gr.Image()
        out3 = gr.Image()
        
    generate_button.click(fn=generate, inputs=sketch_pad, outputs=sketch_pad)

demo.launch()