slight updates

ark_example.py

@@ -103,7 +103,7 @@ class ArkExample(datasets.GeneratorBasedBuilder):
                 {
                     "Channel Data": datasets.Sequence(datasets.Image()),
                     "Channel Names": datasets.Sequence(datasets.Value("string")),
-                    "Data Path:": datasets.Value("string"),
+                    "Data Path": datasets.Value("string"),
                 }
             )
         else:  # This is an example to show how to have different features for "first_domain" and "second_domain"
@@ -140,11 +140,12 @@ class ArkExample(datasets.GeneratorBasedBuilder):
         # By default the archives will be extracted and a path to a cached folder where they are extracted is returned instead of the archive
         urls = _URLS[self.config.name]
         data_dir = dl_manager.download_and_extract(urls)
+
         return [
             datasets.SplitGenerator(
                 name="base_dataset",
                 # These kwargs will be passed to _generate_examples
-                gen_kwargs={"filepath": pathlib.Path(data_dir)},
+                gen_kwargs={"filepath": data_dir},
             ),
         ]