Update app.py

app.py

@@ -82,8 +82,8 @@ retriever = db.as_retriever()
 
 def langchain_chat(message, temperature, top_p, max_tokens):
     llm = ChatOpenAI(
-        # model="meta-llama/Meta-Llama-3-8B-Instruct",
-        model="Qwen/Qwen1.5-4B-Chat",
+        model="meta-llama/Meta-Llama-3-8B-Instruct",
+        # model="Qwen/Qwen1.5-4B-Chat",
         temperature=temperature,
         top_p=top_p,
         max_tokens=max_tokens)