Update app.py

app.py

@@ -30,7 +30,7 @@ if not torch.cuda.is_available():
     DESCRIPTION += "\n<p>Running on CPU 🥶 This demo does not work on CPU.</p>"
 
 # Model and Tokenizer Configuration
-model_id = "meta-llama/Llama-2-7b-hf"
+model_id = "meta-llama/Llama-2-7b-chat-hf"
 bnb_config = BitsAndBytesConfig(
     load_in_4bit=True,
     bnb_4bit_use_double_quant=False,