code: def encode(self, x: str) -> str:
      return self.space_tok.sub(" ", x)
  
imports: import re
  from fairseq.data.encoders import register_tokenizer
  from fairseq.dataclass import FairseqDataclass
label_desc: Use image node_id 2 for calling the SpaceTokenizer obj's underlying member method code with example usage: obj.encode(x) and returns: self