Update RiSAWOZ.py

RiSAWOZ.py

@@ -459,6 +459,14 @@ class RiSAWOZ(datasets.GeneratorBasedBuilder):
                     "split": "dev",
                 },
             ),
+            datasets.SplitGenerator(
+                name="challenge",
+                # These kwargs will be passed to _generate_examples
+                gen_kwargs={
+                    "filepath": data_dir2["test"],
+                    "split": "challenge",
+                },
+            ),
         ]
 
     def _generate_examples(