class_docstr: SentencePiece subword transform class.
docstr: Apply SentencePiece Detokenizer
docstr_tok: ["Apply","SentencePiece","Detokenizer"]
code: def _detokenize(self, tokens, side="src"):
      """Apply SentencePiece Detokenizer"""
      sp_model = self.load_models[side]
      return sp_model.DecodePieces(tokens).replace(
          "\n", DefaultTokens.SEP
      )
  
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 5 for calling the SentencePieceTransform obj's underlying member method code with example usage: obj._detokenize(tokens, side) and returns: sp_model