src/transformers/models/deberta_v2/tokenization_deberta_v2.py/DebertaV2Tokenizer/prepare_for_tokenization
class DebertaV2Tokenizer:    def prepare_for_tokenization(self, text, is_split_into_words=False, **kwargs):
        add_prefix_space = kwargs.pop("add_prefix_space", False)
        if is_split_into_words or add_prefix_space:
            text = " " + text
        return (text, kwargs)