code: def get_scores(self, cat_word_counts, not_cat_word_counts):
      sfs = ScaledFScorePresets.get_scores(
          self, cat_word_counts, not_cat_word_counts
      )
      # sfs = self.get_score_deltas(cat_word_counts, not_cat_word_counts)
      # import pdb; pdb.set_trace()
      # return (sfs - 0.5) / np.std(sfs - 0.5)
      return (sfs - sfs.mean()) / np.std(sfs)
  
imports: from abc import ABC, abstractmethod
  import numpy
  import pandas
  from scipy.stats import norm, rankdata
  from scattertext.Common import DEFAULT_SCALER_ALGO, DEFAULT_BETA
label_desc: Use image node_id 2 for calling the ScaledFZScore obj's underlying member method code with example usage: obj.get_scores(cat_word_counts, not_cat_word_counts) and returns: unknown