My commit

FracAtlas_dataset.py

@@ -106,11 +106,6 @@ class FracAtlasDataset(datasets.GeneratorBasedBuilder):
                   "frontal": datasets.Value("int32"),
                   "lateral": datasets.Value("int32"),
                   "oblique": datasets.Value("int32"),
-                  "segmentation_metadata": datasets.Features({
-                      "segmentation": datasets.Sequence(datasets.Sequence(datasets.Value("float"))),
-                      "bbox": datasets.Sequence(datasets.Value("float")),
-                      "area": datasets.Value("float")
-                      }) or None,
                   "segmentation": datasets.Sequence(datasets.Sequence(datasets.Value("float"))) or None,
                   "bbox": datasets.Sequence(datasets.Value("float")) or None,
                   "area": datasets.Value("float") or None,
@@ -118,8 +113,12 @@ class FracAtlasDataset(datasets.GeneratorBasedBuilder):
                     "width": datasets.Value("int32"),
                     "height": datasets.Value("int32"),
                     "depth": datasets.Value("int32"),
-                })
-                  
+                }),
+                  "segmentation_metadata": datasets.Features({
+                      "segmentation": datasets.Sequence(datasets.Sequence(datasets.Value("float"))),
+                      "bbox": datasets.Sequence(datasets.Value("float")),
+                      "area": datasets.Value("float")
+                      }) or None
               }
           ),
           # No default supervised_keys (as we have to pass both question
@@ -208,6 +207,8 @@ class FracAtlasDataset(datasets.GeneratorBasedBuilder):
             annotation = annotations.get(image_id)
             image_path = os.path.join(images_path, folder, image_id)
             
+            segmentation, bbox, area = None, None, None
+            segmentation_metadata = None
                 
             if annotation:
                 segmentation = annotation.get('segmentation')  # Default if not present