Update app1.py

app1.py

@@ -25,7 +25,13 @@ with gr.Blocks() as demo:
             response += token
 
         # Update chat history
-        chat_history_value = chat_history.value
+        chat_history_value = [
+           ("User", "Hello!"),
+           ("Assistant", "Hello! How can I help you today?"),
+           "User", "I need help with..."),
+           ( "Assistant", "I'd be happy to help!"),
+         ]
+        chat_history.update(value=chat_history_value)
         chat_history_value.append((message, response))
         chat_history.update(value=chat_history_value)