fix bug in script

CrossWOZ.py

@@ -215,8 +215,8 @@ class CrossWOZ(datasets.GeneratorBasedBuilder):
         # By default the archives will be extracted and a path to a cached folder where they are extracted is returned instead of the archive
         downloaded_files = dl_manager.download_and_extract(_URLs)
         print(downloaded_files)
-        for file in downloaded_files:
-            print(file)
+        for _, file in downloaded_files.items():
+            print(_, file)
             print(os.path.dirname(file))
             print(os.listdir(os.path.dirname(file)))
             print(os.listdir(file))