Update sci_lay.py

sci_lay.py

@@ -124,7 +124,7 @@ class SciLay(datasets.GeneratorBasedBuilder):
                 split: _URL.format(version=self.config.version, split_name=split_name)
                 for split, split_name in _SPLIT_NAMES.items()
             }
-            dl_paths = dl_manager.download(urls)
+            dl_paths = dl_manager.download_and_extract(urls)
             paths = {
                 split: [
                     dl_manager.iter_files(os.path.join(dl_paths[split], split_name, code)) for code in self.config.journals