fix: Use integer indices instead of strings

scandiqa.py

@@ -139,21 +139,21 @@ class ScandiQA(GeneratorBasedBuilder):
             SplitGenerator(
                 name=str(Split.TRAIN),
                 gen_kwargs=dict(
-                    filepath=downloaded_files["train"],
+                    filepath=downloaded_files[0],
                     split="train",
                 ),
             ),
             SplitGenerator(
                 name=str(Split.VALIDATION),
                 gen_kwargs=dict(
-                    filepath=downloaded_files["val"],
+                    filepath=downloaded_files[1],
                     split="val",
                 ),
             ),
             SplitGenerator(
                 name=str(Split.TEST),
                 gen_kwargs=dict(
-                    filepath=downloaded_files["test"],
+                    filepath=downloaded_files[2],
                     split="test"
                 ),
             ),