Update app.py

app.py

@@ -8,7 +8,7 @@ with gr.Blocks() as demo:
         if show_box:
             textbox = gr.Textbox()
             textbox2 = gr.Textbox()
-            textbox.submit(lambda x:x, textbox, textbox2)
+            textbox.change(lambda x:x, textbox, textbox2)
         else:
             gr.Markdown("Hidden textbox")