Update files from the datasets library (from 1.6.1)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.6.1

newsqa.py

@@ -236,7 +236,7 @@ class Newsqa(datasets.GeneratorBasedBuilder):
             ]
 
     def _generate_examples(self, filepath, split):
-        """ Yields examples. """
+        """Yields examples."""
 
         if self.config.name == "combined-csv":
             with open(filepath, encoding="utf-8") as csv_file: