Update app.py

app.py

@@ -108,7 +108,7 @@ def initialize_llm():
         st.stop()
 
     llm = ChatGroq(
-        model="llama-3.3-70b-versatile",
+        model="meta-llama/llama-4-scout-17b-16e-instruct",
         temperature=0,
         max_tokens=200,
         max_retries=0,