class_docstr: SentencePiece subword transform class.
docstr: Return str represent key arguments for class.
docstr_tok: ["Return","str","represent","key","arguments","for","class","."]
code: def _repr_args(self):
      """Return str represent key arguments for class."""
      kwargs_str = super()._repr_args()
      additional_str = (
          "src_subword_nbest={}, tgt_subword_nbest={}".format(
              self.src_subword_nbest, self.tgt_subword_nbest
          )
      )
      return kwargs_str + ", " + additional_str
  
imports: import re
  from onmt.utils.logging import logger
  from onmt.transforms import register_transform
  from .transform import Transform, ObservableStats
  from onmt.constants import DefaultTokens
label_desc: Use image node_id 7 for calling the SentencePieceTransform obj's underlying member method code with example usage: obj._repr_args() and returns: unknown