Update files from the datasets library (from 1.6.1)

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

sesotho_ner_corpus.py

@@ -65,7 +65,7 @@ class SesothoNerCorpusConfig(datasets.BuilderConfig):
 
 
 class SesothoNerCorpus(datasets.GeneratorBasedBuilder):
-    """ SesothoNerCorpus Ner dataset"""
+    """SesothoNerCorpus Ner dataset"""
 
     BUILDER_CONFIGS = [
         SesothoNerCorpusConfig(