Update app.py

app.py

@@ -28,7 +28,7 @@ retriever = vectorstore.as_retriever()
 print("assigning model")
 model = ChatTogether(
     # model = "meta-llama/Meta-Llama-3-8B-Instruct-Lite",
-    model = "deepseek-ai/DeepSeek-R1-Distill-Qwen-1.5B",
+    model = "deepseek-ai/DeepSeek-R1-Distill-Llama-70B-free",
     # model="meta-llama/Llama-3-70b-chat-hf",    
     temperature=0.0,
     max_tokens=500,)