fix: Fixed preview

imagenette.py

@@ -110,19 +110,20 @@ class OpenFire(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        data_dir = dl_manager.iter_archive(self.config.data_url)
+        archive_path = dl_manager.download(self.config.data_url)
+        local_extracted_archive = dl_manager.extract(archive_path) if not dl_manager.is_streaming else None
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
-                    "image_folder": os.path.join(data_dir, "train"),
+                    "image_folder": os.path.join(local_extracted_archive, "train"),
                     "split": "train",
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.VALIDATION,
                 gen_kwargs={
-                    "image_folder": os.path.join(data_dir, "val"),
+                    "image_folder": os.path.join(local_extracted_archive, "val"),
                     "split": "validation",
                 },
             ),