Update files from the datasets library (from 1.6.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.6.0

newsgroup.py

@@ -16,7 +16,6 @@
 # Lint as: python3
 """20Newsgroup  dataset"""
 
-from __future__ import absolute_import, division, print_function
 
 import os
 
@@ -132,7 +131,7 @@ class Newsgroups(datasets.GeneratorBasedBuilder):
                 ),
                 datasets.SplitGenerator(
                     name=datasets.Split.TEST,
-                    gen_kwargs={"files_path": os.path.join(path, "20news-bydate-train", self.config.sub_dir)},
+                    gen_kwargs={"files_path": os.path.join(path, "20news-bydate-test", self.config.sub_dir)},
                 ),
             ]
         elif self.config.name.startswith("19997"):