Fix passing kwargs to TFBertTokenizer (#21619)

src/transformers/models/bert/tokenization_bert_tf.py

@@ -114,15 +114,24 @@ class TFBertTokenizer(tf.keras.layers.Layer):
         tf_tokenizer = TFBertTokenizer.from_tokenizer(tokenizer)
         ```
         """
+        do_lower_case = kwargs.pop("do_lower_case", None)
+        do_lower_case = tokenizer.do_lower_case if do_lower_case is None else do_lower_case
+        cls_token_id = kwargs.pop("cls_token_id", None)
+        cls_token_id = tokenizer.cls_token_id if cls_token_id is None else cls_token_id
+        sep_token_id = kwargs.pop("sep_token_id", None)
+        sep_token_id = tokenizer.sep_token_id if sep_token_id is None else sep_token_id
+        pad_token_id = kwargs.pop("pad_token_id", None)
+        pad_token_id = tokenizer.pad_token_id if pad_token_id is None else pad_token_id
+
         vocab = tokenizer.get_vocab()
         vocab = sorted([(wordpiece, idx) for wordpiece, idx in vocab.items()], key=lambda x: x[1])
         vocab_list = [entry[0] for entry in vocab]
         return cls(
             vocab_list=vocab_list,
-            do_lower_case=tokenizer.do_lower_case,
-            cls_token_id=tokenizer.cls_token_id,
-            sep_token_id=tokenizer.sep_token_id,
-            pad_token_id=tokenizer.pad_token_id,
+            do_lower_case=do_lower_case,
+            cls_token_id=cls_token_id,
+            sep_token_id=sep_token_id,
+            pad_token_id=pad_token_id,
             **kwargs,
         )