Update files from the datasets library (from 1.6.1)

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

qa_srl.py

@@ -127,7 +127,7 @@ class QaSrl(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath):
 
-        """ Yields examples. """
+        """Yields examples."""
 
         with open(filepath, encoding="utf-8") as f: