def __init__(self,
                 do_lower_case=True,
                 never_split=("[UNK]", "[SEP]", "[PAD]", "[CLS]", "[MASK]")):
        """Constructs a BasicTokenizer.

        Args:
          do_lower_case: Whether to lower case the input.
        """
        self.do_lower_case = do_lower_case
        self.never_split = never_split
Constructs a BasicTokenizer.

        Args:
          do_lower_case: Whether to lower case the input.
        
torchmm/datasets/reader/tokenization.py