code: def calculate_meteor(
      generated_tokens: List[str], reference_tokens: List[str]
  ) -> float:
      return meteor_score([reference_tokens], generated_tokens)
  
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 20 for calling the WriterEvaluator obj's underlying member method code with example usage: obj.calculate_meteor(generated_tokens, reference_tokens) and returns: meteor_score