Update app.py

app.py

@@ -30,12 +30,12 @@ def chat_with_groq(user_message):
             temperature=1,
             max_tokens=1024,
             top_p=1,
-            stream=False
+            stream=True
         )
 
         response = ""
         for chunk in completion:
-            response += chunk.choices[0].delta.content or ""
+            response += chunk.get('choices', [{}])[0].get('delta', {}).get('content', "")
         return response
 
     except Exception as e:
@@ -47,14 +47,14 @@ def gradio_chatbot():
 
     def respond(message, history):
         response = chat_with_groq(message)
+        history = history or []
         history.append((message, response))
         return history, history
 
     with gr.Blocks() as demo:
         with gr.Row():
             gr.Markdown("### 成語遊戲 Chatbot")
-        with gr.Row():
-            chatbot = gr.Chatbot()
+        chatbot = gr.Chatbot()
         with gr.Row():
             user_input = gr.Textbox(placeholder="輸入你的訊息...")
             submit_button = gr.Button("送出")