Update app.py

app.py

@@ -170,7 +170,7 @@ with gr.Blocks() as demo:
             clear_btn = gr.Button("Clear Session")
 
         with gr.Column(scale=2):
-            chatbot = gr.Chatbot(label="Chat", height=400, type="messages")
+            chatbot = gr.Chatbot(label="Chat", height=400)
             msg = gr.Textbox(label="Message", placeholder="Ask about your document...")
             with gr.Row():
                 send_btn = gr.Button("Send", variant="primary")