class_docstr: Simple featurizer for basic tokenization and gazetteer feature alignment.
docstr: Featurize one instance/example only.
code: def featurize(self, input_record: InputRecord) -> OutputRecord:
      """Featurize one instance/example only."""
      return self.tokenize(input_record)
  
file_path: pytext/pytext/data/featurizer/simple_featurizer.py
imports: import re
  from typing import List, Optional, Sequence, Tuple
  from pytext.common.constants import VocabMeta
  from pytext.config import ConfigBase
  from pytext.data.featurizer import Featurizer, InputRecord, OutputRecord
label_desc: Use image node_id 3 for calling the SimpleFeaturizer obj's underlying member method code with example usage: obj.featurize(input_record) and returns: self