fix: Fixed typo

app.py

@@ -16,10 +16,10 @@ from PIL import Image
 REPO = "frgfm/rexnet1_0x"
 
 # Download model config & checkpoint
-with open(hf_hub_download(args.repo, filename="config.json"), "rb") as f:
+with open(hf_hub_download(REPO, filename="config.json"), "rb") as f:
     cfg = json.load(f)
 
-ort_session = onnxruntime.InferenceSession(hf_hub_download(args.repo, filename="model.onnx"))
+ort_session = onnxruntime.InferenceSession(hf_hub_download(REPO, filename="model.onnx"))
 
 def preprocess_image(pil_img: Image.Image) -> np.ndarray:
     """Preprocess an image for inference