fix bug

IIIT-5K.py

@@ -74,6 +74,7 @@ class IIIT5K(datasets.GeneratorBasedBuilder):
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
+                    "split": "train",
                     "archive_path": Path(archive_path) / "IIIT5K",
                     "info_path": Path(archive_path) / "IIIT5K/traindata.mat",
                 },
@@ -81,15 +82,16 @@ class IIIT5K(datasets.GeneratorBasedBuilder):
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
                 gen_kwargs={
+                    "split": "test",
                     "archive_path": Path(archive_path) / "IIIT5K",
                     "info_path": Path(archive_path) / "IIIT5K/testdata.mat",
                 },
             ),
         ]
 
-    def _generate_examples(self, archive_path, info_path):
+    def _generate_examples(self, split, archive_path, info_path):
         info = scipy.io.loadmat(info_path)
-        info = info["testdata"][0]
+        info = info[split+"data.mat"][0]
 
         for idx, info_ex in enumerate(info):
             path_image = os.path.join(archive_path, str(info_ex[0][0]))