Update app.py

app.py

@@ -61,8 +61,9 @@ client = InferenceClient('Qwen/Qwen2.5-72B-Instruct')
 def respond(message,history):
     gift_ideas = get_top_chunks(message)
     messages = [{'role': 'system', 'content': f'You give really good gift ideas and are super helpful! You also tell me the price of each item. Give me 5 gift ideas if I ask. Use the following database for gift ideas: {gift_ideas}'}]
+    if history:
         messages.extend(history)
-
+    
     messages.append({"role": "user", "content": message})
 
     response = ""