Update app.py

app.py

@@ -15,7 +15,7 @@ def respond(message, history):
         # Combine the entire conversation history
         input_text = message
         if history:
-            input_text = "\n".join([f"User: {h['user']}\nBot: {h['bot']}" for h in history]) + f"\nUser: {message}"
+            input_text = "\n".join([f"User: {h[0]}\nBot: {h[1]}" for h in history]) + f"\nUser: {message}"
         
         # Generate response
         response = pipe(
@@ -29,12 +29,12 @@ def respond(message, history):
         reply = response[0]['generated_text'].strip()
         
         # Update history
-        history.append({"user": message, "bot": reply})
+        history.append((message, reply))
         return history
     
     except Exception as e:
         print(f"Error: {e}")
-        return history + [{"user": message, "bot": "Sorry, something went wrong. Please try again."}]
+        return history + [(message, "Sorry, something went wrong. Please try again.")]
 
 # Set up Gradio chat interface
 demo = gr.ChatInterface(
@@ -42,9 +42,7 @@ demo = gr.ChatInterface(
     title="Qwen2.5-1.5B-Instruct-openvino",
     description="Chat with Qwen2.5-1.5B-Instruct-openvino model.",
     examples=["Hello!", "Tell me a joke.", "Explain quantum computing."],
-    retry_btn=None,
-    undo_btn=None,
-    clear_btn="Clear History",
+    clear_btn="Clear History",  # 仅保留 clear_btn
 )
 
 if __name__ == "__main__":