Update app.py

app.py

@@ -14,6 +14,8 @@ gen_parms = {
     "temperature": 0.7  # Adjust for creativity
 }
 
+# Model and project settings
+model_id = "meta-llama/llama-2-13b-chat"
 
 model = Model(
     model_id = 'meta-llama/llama-2-13b-chat', # you can also specify like: ModelTypes.LLAMA_2_70B_CHAT