Raise DefunctDatasetError (#11)

- Raise DefunctDatasetError (ee84bc69c6b8fd617bdc0b1b887d5dd6e439cf7a)

amazon_reviews_multi.py

@@ -19,6 +19,7 @@
 import json
 
 import datasets
+from datasets.exceptions import DefunctDatasetError
 
 
 _CITATION = """\
@@ -87,6 +88,9 @@ class AmazonReviewsMulti(datasets.GeneratorBasedBuilder):
     DEFAULT_CONFIG_NAME = _ALL_LANGUAGES
 
     def _info(self):
+        raise DefunctDatasetError(
+            "Dataset 'amazon_reviews_multi' is defunct and no longer accessible due to the decision of data providers"
+        )
         return datasets.DatasetInfo(
             description=_DESCRIPTION,
             features=datasets.Features(