Update app.py

app.py

@@ -34,7 +34,7 @@ def predict(message,history):
     history_list.append({"role": "user", "content": message})
 
     response = client.chat.completions.create(
-        model = "lama-3.1-70b-versatile",
+        model = "llama-3.1-70b-versatile",
         messages = history_list,
         temperature = 1.0,
         max_tokens=4000,