Update kidney-ct-abnormality.py

kidney-ct-abnormality.py

@@ -101,6 +101,6 @@ class KidneyCTAbnormality(datasets.GeneratorBasedBuilder):
             img_array = sitk.GetArrayFromImage(img)
             img_array_c = img_array.astype('uint8')
             yield i, {
-                "image": img_array,
+                "image": img_array_c,
                 "label": meta["abnormality"],
             }