[AutoTokenizer] Correct error message

Zigur · Oct 26, 2020 · 2bdc454 · 2bdc454
1 parent ce41483
commit 2bdc454
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/transformers/tokenization_auto.py b/src/transformers/tokenization_auto.py
@@ -234,7 +234,9 @@ def from_pretrained(cls, pretrained_model_name_or_path, *inputs, **kwargs):
                 tokenizer_class_candidate = config.tokenizer_class
             tokenizer_class = globals().get(tokenizer_class_candidate)
             if tokenizer_class is None:
-                raise ValueError("Tokenizer class {} does not exist or is not currently imported.")
+                raise ValueError(
+                    "Tokenizer class {} does not exist or is not currently imported.".format(tokenizer_class_candidate)
+                )
             return tokenizer_class.from_pretrained(pretrained_model_name_or_path, *inputs, **kwargs)
 
         # if model is an encoder decoder, the encoder tokenizer class is used by default