fix: Tries to fix preview

imagenette.py

@@ -51,14 +51,16 @@ _REPO = "https://huggingface.co/datasets/frgfm/imagenette/resolve/main/metadata"
 class OpenFireConfig(datasets.BuilderConfig):
     """BuilderConfig for OpenFire."""
 
-    def __init__(self, data_url, **kwargs):
+    def __init__(self, data_url, metadata_urls, **kwargs):
         """BuilderConfig for OpenFire.
         Args:
           data_url: `string`, url to download the zip file from.
+          matadata_urls: dictionary with keys 'train' and 'validation' containing the archive metadata URLs
           **kwargs: keyword arguments forwarded to super.
         """
         super(OpenFireConfig, self).__init__(version=datasets.Version("1.0.0"), **kwargs)
         self.data_url = data_url
+        self.metadata_urls = metadata_urls
 
 
 class OpenFire(datasets.GeneratorBasedBuilder):