Update LongConL.py

LongConL.py

@@ -76,8 +76,9 @@ class LongConLDataset(datasets.GeneratorBasedBuilder):
         # Replace hyphens with underscores if your URLs use underscores
     
         urls = {
-            key: val.format(task_name) for key, val in _URLS.items()
+            key: val.format(task_name=task_name) for key, val in _URLS.items()
         }
+
         downloaded_files = dl_manager.download_and_extract(urls)
     
         return [