Update RDD_2020.py

RDD_2020.py

@@ -79,8 +79,7 @@ class RDD2020_Dataset(datasets.GeneratorBasedBuilder):
         }
 
         downloaded_files = {
-     #   name: dl_manager.download_and_extract(url)
-        name: dl_manager.download(url) 
+        name: dl_manager.download_and_extract(url)
         for name, url in urls_to_download.items()
         }