code: def compute_stopword_ratio(text, strip_characters, stopwords):
      words = FilteringFunctions.get_words_from_text(
          text=text,
          lower_case=True,
          strip_words=True,
          strip_characters=strip_characters,
      )
      if not words:
          return 0
      stopword_ratio = len(
          [word for word in words if word in stopwords]
      ) / len(words)
      return stopword_ratio
  
imports: import json
  import re
  from collections import Counter
  import fasttext
  import kenlm
  import numpy
  import sentencepiece
  from obelics.utils import SPECIAL_CHARACTERS
label_desc: Use image node_id 17 for calling the FilteringFunctions obj's underlying member method code with example usage: obj.compute_stopword_ratio(text, strip_characters, stopwords) and returns: stopword_ratio, int