fix(src): :rocket: Fix model initialization

app.py

@@ -13,12 +13,12 @@ from hyvideo.constants import NEGATIVE_PROMPT
 
 def initialize_model(model_path):
     args = parse_args()
-    models_root_path = Path(model_path)
-    if not models_root_path.exists():
-        raise ValueError(f"`models_root` not exists: {models_root_path}")
+    # models_root_path = Path(model_path)
+    # if not models_root_path.exists():
+    #     raise ValueError(f"`models_root` not exists: {models_root_path}")
     
     hunyuan_video_sampler = HunyuanVideoSampler.from_pretrained(
-        models_root_path, 
+        model_path, 
         args=args,
         device_map="auto"
     )