Update kidney-ct-abnormality.py

kidney-ct-abnormality.py

@@ -57,7 +57,7 @@ class KidneyCTAbnormality(datasets.GeneratorBasedBuilder):
     def _split_generators(self, dl_manager):
         metadata_url = dl_manager.download(_METADATA_URL)
         files_metadata = {}
-        with open(split_metadata_path["metadata"], encoding="utf-8") as f:
+        with open(metadata_url["metadata"], encoding="utf-8") as f:
             for lines in f.read().splitlines():
                 file_json_metdata = json.loads(lines)
                 files_metadata.setdefault(file_json_metdata["split"], []).append(file_json_metdata)