Update app.py

app.py

@@ -34,11 +34,14 @@ def convert_seg_to_bbox(api_key: str, dataset_url: str):
     root = dataset.location  # e.g. "/home/user/app/ds-2"
 
     # --- DEBUG: print out the downloaded directory tree ---
-    print(f"Dataset downloaded to: {root}")
+    print(f"\n=== Downloaded dataset root: {root} ===")
     for dirpath, dirnames, filenames in os.walk(root):
         print(f"\nDirectory: {dirpath}")
-        print(f"  Subdirs: {dirnames}")
-        print(f"  Files: {filenames}")
+        for d in dirnames:
+            print(f"  [DIR ] {d}")
+        for f in filenames:
+            print(f"  [FILE] {f}")
+    print("=== end tree dump ===\n")
 
     # 2) search for any JSON file with "train" in its name
     ann_file = None
@@ -50,6 +53,7 @@ def convert_seg_to_bbox(api_key: str, dataset_url: str):
                 break
         if ann_file:
             break
+
     if ann_file is None:
         raise FileNotFoundError(f"No JSON file containing 'train' found under {root}")
 
@@ -96,6 +100,7 @@ def convert_seg_to_bbox(api_key: str, dataset_url: str):
             train_img_dir = dirpath
             print(f"Found image directory: {train_img_dir}")
             break
+
     if train_img_dir is None:
         raise FileNotFoundError(f"No image files found under {root}")