Update app.py

app.py

@@ -82,7 +82,7 @@ def stream_chat(message: str, history: list, temperature: float, context_window:
     llm = gemma2()
 
     resp = llm.stream_chat(
-        message = messages,
+        messages = messages,
         chat_history = conversation,
         top_p=top_p,
         top_k=top_k,