Update app.py

app.py

@@ -253,7 +253,7 @@ with gr.Blocks(
             
             return filename
 
-        with gr.Blocks() as demo:
+        #with gr.Blocks() as demo:
             chatbot = gr.Chatbot()
             username_input = gr.Textbox(label="Username")
             save_button = gr.Button("Save Chat History")