app.py

#!/usr/bin/env python

import gradio as gr

with gr.Blocks() as demo:
    image1 = gr.Image(width=400, height=400, interactive=True)
    image2 = gr.Image(width=400, height=400, interactive=True, tool="sketch")

    gr.Examples(examples=[["images/bulb_rgb.png", "images/bulb_rgb.png"]], inputs=[image1, image2])

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