fix 1 bug(s)

app.py

@@ -265,7 +265,7 @@ with gr.Blocks(css="""#chatbot { font-size: 14px; min-height: 1200; }""") as dem
                 'text-davinci-003',
                 'gpt-4',
                 'gpt-4-32k'
-            ], label='Select Model', default='gpt-3.5-turbo')
+            ], label='Select Model', value='gpt-3.5-turbo')  # Changed default to value
             btn = gr.Button(value='Submit')
 
             btn.style(full_width=True)
@@ -282,6 +282,4 @@ with gr.Blocks(css="""#chatbot { font-size: 14px; min-height: 1200; }""") as dem
         outputs=[chatbot],
     )
 
-demo.launch()
-
-
+demo.launch()