Update app.py

app.py

@@ -14,9 +14,9 @@ clients = {'3B': [OpenAI(api_key='123', base_url=os.getenv('MODEL_NAME_OR_PATH_3
 
 
 def respond(
-    model_name,
     message,
     history: list[tuple[str, str]],
+    model_name,
     system_message,
     max_tokens,
     temperature,
@@ -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"),