Update app.py

app.py

@@ -35,7 +35,9 @@ def respond(message, tone="natural", max_length=512):
 demo = gr.ChatInterface(
     respond,
     additional_inputs=[
-        gr.Textbox(value="You are a friendly Chatbot.", label="System message"),
+        gr.Dropdown(
+            ["natural", "fluency", "formal", "academic", "simple"], label="Tone", value="natural"
+        ),
         gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),
     ],
 )