minor(dev): fix splits

daiso.py

@@ -172,23 +172,23 @@ class DAISO(datasets.GeneratorBasedBuilder):
                 },
             ))
         if "dev" in data_files:
-            datasets.SplitGenerator(
+            splits.append(datasets.SplitGenerator(
                 name=datasets.Split.VALIDATION,
                 # These kwargs will be passed to _generate_examples
                 gen_kwargs={
                     "file": data_files["dev"],
                     "split": "dev",
                 },
-            )
+            ))
         if "test" in data_files:
-            datasets.SplitGenerator(
+            splits.append(datasets.SplitGenerator(
                 name=datasets.Split.TEST,
                 # These kwargs will be passed to _generate_examples
                 gen_kwargs={
                     "file": data_files["test"],
                     "split": "test"
                 },
-            )
+            ))
         return splits
 
     # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`