Update test.py

test.py

@@ -570,32 +570,34 @@ class Food500(datasets.GeneratorBasedBuilder):
             if file_path == _TRAIN_TXT: train_set = set(file_obj.read().split("\n"))
             if file_path == _VALID_TXT: valid_set = set(file_obj.read().split("\n"))
             if file_path == _TEST_TXT: test_set = set(file_obj.read().split("\n"))
+            pass
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
                     "images": dl_manager.iter_archive(archive_path),
-                    "metadata_set": set(),
+                    "metadata_set": train_set,
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.VALIDATION,
                 gen_kwargs={
                     "images": dl_manager.iter_archive(archive_path),
-                    "metadata_set": set(),
+                    "metadata_set": valid_set,
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
                 gen_kwargs={
                     "images": dl_manager.iter_archive(archive_path),
-                    "metadata_set": set(),
+                    "metadata_set": test_set,
                 },
             ),
         ]
 
     def _generate_examples(self, images, metadata_set):
         """Generate images and labels for splits."""
+        metadata_set = {i.encode("utf-8") for str in metadata_set}
         for file_path, file_obj in images:
             if file_path.startswith(_IMAGES_DIR):
                 if file_path[len(_IMAGES_DIR) : -len(".jpg")] in metadata_set: