Update app.py

app.py

@@ -12,7 +12,7 @@ with gr.Blocks() as demo:
         with gr.Column():
             output_image = gr.Image(type="numpy", label="Your Sketch")
 
-    sketchpad.submit(fn=display_sketch, inputs=sketchpad, outputs=output_image)
+    sketchpad.change(fn=display_sketch, inputs=sketchpad, outputs=output_image)
 
 if __name__ == "__main__":
     demo.launch()