Fix config constructor

rock-glacier-dataset.py

@@ -46,16 +46,15 @@ _NAMES = ["glaciar", "cordillera"]
 
 
 class RockGlacierConfig(datasets.BuilderConfig):
-	"""Rock Glacier dataset configuration"""
-	def __init__(self, name, **kwargs):
-		super(RockGlacierConfig).__init__(
-			version=datasets.Version("1.0.0"),
-			name=name,
-			description="Rock Glacier Dataset",
-			**kwargs,
-		)
-
-
+   def __init__(self, name, **kwargs):
+      super(RockGlacierConfig, self).__init__(
+         version=datasets.Version("1.0.0"),
+         name=name,
+         description="Rock Glacier Dataset",
+         **kwargs,
+         )
+         
+         
 class RockGlacierDataset(datasets.GeneratorBasedBuilder):
    """Rock Glacier images dataset."""