Update files from the datasets library (from 1.6.1)

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

assin.py

@@ -151,7 +151,7 @@ class Assin(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, filepaths, split):
-        """ Yields examples. """
+        """Yields examples."""
 
         id_ = 0