Update app.py

app.py

@@ -2,11 +2,11 @@ import gradio as gr
 
 def change_textbox(choice):
     if choice == "short":
-        return gr.Radio.update(lines=2, visible=True)
+        return gr.Textbox.update(lines=2, visible=True)
     elif choice == "long":
-        return gr.Radio.update(lines=8, visible=True)
+        return gr.Textbox.update(lines=8, visible=True)
     else:
-        return gr.Radio.update(visible=False)
+        return gr.Textbox.update(visible=False)
 
 
 with gr.Blocks() as block: