Update prostate158.py

prostate158.py

@@ -93,7 +93,7 @@ class Prostate158Dataset(datasets.GeneratorBasedBuilder):
             for row in df.to_dict(orient="records"):
                 images_data = {image_name: nib.load(downloaded_files / row[image_name]).get_fdata() for image_name in images_list}
                 # print("example_shape", images_data["t2"].shape)
-                for _ in range(images_data["t2"].shape[2]):
+                for i in range(images_data["t2"].shape[2]):
                     yield_index += 1
                     yield yield_index, {image_name: image[:, :, i] for image_name, image in images_data.items()}