Update samsum.py

samsum.py

@@ -39,6 +39,6 @@ class SkillDataset(datasets.GeneratorBasedBuilder):
   def _generate_examples(self, data):
     for i, mapping in enumerate(data):
       yield i, {
-        "input": mapping["summary"],
-        "target": mapping["dialogue"],
+        "summary": mapping["summary"],
+        "dialogue": mapping["dialogue"],
       }