gr4_test.py

import gradio as gr

cnt = 0

def test():
    cnt += 1
    return f'triggered!{cnt}'


with gr.Blocks() as demo:
    sketch_pad = gr.ImageEditor(type="pil")
    output_text = gr.Textbox(label='Output Text')
    sketch_pad.change(test, outputs=[output_text])
    
demo.launch()