Update files from the datasets library (from 1.6.1)

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

cbt.py

@@ -154,7 +154,7 @@ class Cbt(datasets.GeneratorBasedBuilder):
     def _generate_examples(
         self, filepath  # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
     ):
-        """ Yields examples as (key, example) tuples. """
+        """Yields examples as (key, example) tuples."""
         # This method handles input defined in _split_generators to yield (key, example) tuples from the dataset.
         # The `key` is here for legacy reason (tfds) and is not important in itself.