Update app.py

app.py

@@ -44,7 +44,7 @@ Resume: {question}
 Give a simple analysis of how well this resume fits and what's missing."""
 
     response = groq_client.chat.completions.create(
-        model="llama-3-8b-8192",
+        model="meta-llama/llama-guard-4-12b",
         messages=[{"role": "user", "content": prompt}]
     )
     return response.choices[0].message.content