fix code snippet

app.py

@@ -133,7 +133,7 @@ def process_model(
                 ```python
                 from optimum.intel import {auto_model_class}
 
-                model_id = {new_repo_id}
+                model_id = "{new_repo_id}"
                 model = {auto_model_class}.from_pretrained(model_id)
                 ```
                 """