Update app.py

app.py

@@ -62,9 +62,9 @@ For information on how to customize the ChatInterface, peruse the gradio docs: h
 """
 options = ["3B", "7B (work in progress)"]
 demo = gr.ChatInterface(
+    gr.Radio(choices=options, label="Model:", value=options[0]),
     respond,
     additional_inputs=[
-        gr.Radio(choices=options, label="Model:", value=options[0]),
         gr.Textbox(value="", label="System message"),
         gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),
         gr.Slider(minimum=0.1, maximum=4.0, value=0.3, step=0.1, label="Temperature"),