Update app.py

app.py

@@ -65,7 +65,7 @@ def run_model(target_dir, model, anchor_size=100) -> dict:
     image_names = glob.glob(os.path.join(target_dir, "images", "*"))
 
     # sample 100 images, HF cannot solve more images.
-    sd = len(image_name) // 100
+    sd = len(image_names) // 100
     
     image_names = sorted(image_names)[::sd]
     print(f"Found {len(image_names)} images")