Update polygraph_xsum.py

polygraph_xsum.py

@@ -44,7 +44,7 @@ class PolygraphXsum(datasets.GeneratorBasedBuilder):
         def download_custom_dataset(src_url: str, dst_path: str):
             split = src_url
             x, y = _prepare_dataset(dataset[split])
-            result_dataset = Dataset.from_dict({"input": x, "output": y})
+            result_dataset = datasets.Dataset.from_dict({"input": x, "output": y})
             result_dataset.to_json(dst_path)
         downloaded_files = dl_manager.download_custom(_SPLITS, download_custom_dataset)
 
@@ -69,6 +69,6 @@ class PolygraphXsum(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath, lang):
         with open(filepath, encoding="utf-8") as f:
-            dataset = Dataset.from_json(f.read())
+            dataset = datasets.Dataset.from_json(f.read())
             for i in range(len(item)):
                 yield i, dataset[i]