check label type

NIH-Chest-X-ray-dataset.py

@@ -81,11 +81,11 @@ class XChest(datasets.GeneratorBasedBuilder):
 			{
 			"image_file_path": datasets.Value("string"),
 			"image": datasets.Image(),
-			#"labels": datasets.features.ClassLabel(names=_NAMES),
-			"labels": datasets.features.Sequence(
-			   datasets.features.ClassLabel(num_classes=len(_NAMES), 
-							names=_NAMES)
-			 )
+			"labels": datasets.features.ClassLabel(names=_NAMES),
+			#"labels": datasets.features.Sequence(
+			#   datasets.features.ClassLabel(num_classes=len(_NAMES), 
+			#				names=_NAMES)
+			# )
 			}
 		    ),
 		    supervised_keys=("image", "labels"),
@@ -146,6 +146,7 @@ class XChest(datasets.GeneratorBasedBuilder):
 			    "image_file_path": path,
 			    "image": path,
 			    #"labels": ["Mass", "Hernia"]
-			    "labels": [5, 14]
+			    #"labels": [5, 14]
+			    "labels": "Mass"
 			}