Update files from the datasets library (from 1.4.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.4.0

c4.py

@@ -19,7 +19,6 @@
 from __future__ import absolute_import, division, print_function
 
 import json
-import logging
 import os
 
 import datasets
@@ -39,6 +38,9 @@ from .c4_utils import (
 )
 
 
+logger = datasets.logging.get_logger(__name__)
+
+
 _DESCRIPTION = """\
 A colossal, cleaned version of Common Crawl's web crawl corpus.
 
@@ -215,7 +217,7 @@ class C4(datasets.BeamBasedBuilder):
                         cc_dir, "*.warc.wet.gz", self.manual_download_instructions
                     )
                 )
-            logging.info("Adding %d WET files for manually downloaded version %s.", len(wet_files), cc_version)
+            logger.info("Adding %d WET files for manually downloaded version %s.", len(wet_files), cc_version)
             file_paths["wet_files"].extend(wet_files)
 
         page_content_pcollection = self._get_page_content(pipeline, file_paths, dl_manager)