Fix tab-indentation

rock-glacier-dataset.py

@@ -66,24 +66,24 @@ class RockGlacierDataset(datasets.GeneratorBasedBuilder):
 
    def _info(self):
       if self.config.name == "image-classification":
-   	     features = dataset.Features({
-   	   			"image": datasets.Image(),
-   	   			"labels": datasets.features.ClassLabel(names=_NAMES),
-   	   	 })
-   	   	 keys = ("image", "labels")
-   	   	 task = [ImageClassification(image_column="image", label_column="labels")]
-   	   		
-   	  if self.config.name == "image-segmentation":
-   	     pass
-   	   		
+         features = dataset.Features({
+            "image": datasets.Image(),
+            "labels": datasets.features.ClassLabel(names=_NAMES),
+            })
+         keys = ("image", "labels")
+         task = [ImageClassification(image_column="image", label_column="labels")]
+         
+      if self.config.name == "image-segmentation":
+         pass
+         
       return datasets.DatasetInfo(
-       	   		description=_DESCRIPTION,
-       	  		features=features,
-  				supervised_keys=("image", "labels"),
-	   			homepage=_HOMEPAGE,
-	   			citation=_CITATION,
-	   			task_templates=task,
-				)
+               description=_DESCRIPTION,
+               features=features,
+               supervised_keys=keys,
+               homepage=_HOMEPAGE,
+               citation=_CITATION,
+               task_templates=task,
+               )
 	
 
    def _split_generators(self, dl_manager):