Update app.py

app.py

@@ -50,7 +50,8 @@ class ModelManager:
     def load_model(self, model_config):
         if model_config['name'] not in self.models:
             try:
-                self.models[model_config['name']] = Llama.from_pretrained(repo_id=model_config['repo_id'], filename=model_config['filename'])
+                # Use Llama.from_pretrained from llama-cpp-python
+                self.models[model_config['name']] = Llama.from_pretrained(model_path=model_config['repo_id'])
             except Exception as e:
                 print(f"Error loading model {model_config['name']}: {e}")