Fix tests

tests/test_embedding_wer.py

@@ -8,6 +8,7 @@ from sziszapangma.core.wer.word import Word
 from tests.file_stored_embedding_transformer import \
     FileStoredEmbeddingTransformer
 
+
 def string_list_to_words(strings: List[str]) -> List[Word]:
     return [Word.from_string(it) for it in strings]