Update rouge_ru.py

rouge_ru.py

@@ -103,7 +103,7 @@ def tokenize_normalize_ru(
 class Tokenizer:
     """Helper class to wrap a callable into a class with a `tokenize` method as used by rouge-score."""
 
-    def __init__(self, tokenizer_func, word_normalizer_foo=None, language="russian"):
+    def __init__(self, tokenizer_func=tokenize_normalize_ru, word_normalizer_foo=None, language="russian"):
         self.tokenizer_func = tokenizer_func
         self.word_normalizer_foo = word_normalizer_foo
         if self.word_normalizer_foo is None: