Added minor fix to data loader script

totto.py

@@ -82,7 +82,8 @@ class Mlsum(datasets.GeneratorBasedBuilder):
                 ("challenge_validation_sample", "validation_totto_RandomSample500.json"),
                 ("challenge_test_scramble", "test_totto_ScrambleInputStructure500.json"),
             ]
-            return [
+
+        return [
                 datasets.SplitGenerator(
                     name=datasets.Split.TRAIN,
                     gen_kwargs={