docstr: Tokenize a text
docstr_tok: ["Tokenize","a","text"]
code: def _tokenize(text: str) -> List[str]:
      """Tokenize a text"""
      return word_tokenize(text)
  
imports: import ast
  from collections import defaultdict
  from typing import List
  import nltk
  import pandas
  from nltk import word_tokenize
  from nltk.translate.bleu_score import sentence_bleu
  from nltk.translate.meteor_score import meteor_score
  from rouge_score import rouge_scorer
  from scipy.spatial import distance
  from mindsdb.integrations.handlers.writer_handler.settings import WriterHandlerParameters
  from mindsdb.utilities import log
label_desc: Use image node_id 15 for calling the WriterEvaluator obj's underlying member method code with example usage: obj._tokenize(text) and returns: word_tokenize