Update files from the datasets library (from 1.6.1)

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

peer_read.py

@@ -235,7 +235,7 @@ class PeerRead(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, filepaths, split):
-        """ Yields examples. """
+        """Yields examples."""
         for id_, filepath in enumerate(sorted(filepaths)):
             with open(filepath, encoding="utf-8", errors="replace") as f:
                 data = json.load(f)