old_contents: # Lint as: python3
  "Config for language-independent sets of graphemes, symbols, etc."
  
  from pynini import *
  
  DEFAULT_INITIAL_PUNCTUATION = union("\"", "'")
  DEFAULT_FINAL_PUNCTUATION = union("!", "\"", ",", ".", ":", ";", "?")
  
  SIGMA_STAR = union(*("[{}]".format(i) for i in range(1, 256))
                     ).optimize().closure()
  
new_contents: # Lint as: python3
  "Config for language-independent sets of graphemes, symbols, etc."
  
  from pynini import *
  
  DEFAULT_INITIAL_PUNCTUATION = union("\"", "'")
  DEFAULT_FINAL_PUNCTUATION = union("!", "\"", ",", ".", ":", ";", "?")
  
subject: remove SIGMA_STAR from utils conf