app.py

import gradio as gr

with gr.Blocks() as demo:
    gr.Chatbot(value=[["hey", "hi"], ["hey", "hi"]])
    gr.Chatbot(value=[
        {"role": "assistant", "message": "How can I help?"},
        {"role": "user", "message": "Save me"},
    ], type="messages")
    img1 = gr.Image()
    img2 = gr.Image()
    img1.change(lambda x:x, img1, img2)

demo.launch()