Update polygraph_xsum.py

polygraph_xsum.py

@@ -11,12 +11,14 @@ _DATA_DIRECTORY = "."
 VERSION = datasets.Version("0.0.1")
 _SPLITS = ["train", "validation", "test"]
 _CONFIG = {
-    "dataset": "xsum"
+    "dataset": "xsum",
+    "input_column": "document",
+    "output_column": "summary",
 }
 
 
 def _prepare_dataset(dataset):
-    return dataset["document"], dataset["summary"]
+    return dataset[_CONFIG["input_column"]], dataset[_CONFIG["output_column"]]
 
 
 class PolygraphXsum(datasets.GeneratorBasedBuilder):
@@ -41,7 +43,7 @@ class PolygraphXsum(datasets.GeneratorBasedBuilder):
 
         def download_custom_dataset(src_url: str, dst_path: str):
             split = src_url
-            x, y = _prepare_dataset(dataset)
+            x, y = _prepare_dataset(dataset[split])
             result_dataset = Dataset.from_dict({"input": x, "output": y})
             result_dataset.to_json(dst_path)
         downloaded_files = dl_manager.download_custom(_SPLITS, download_custom_dataset)