old_contents: def pb_settings_filename():
      return 'Package Bundler.sublime-settings'
  
  def st_settings_filename():
      return 'Preferences.sublime-settings'
new_contents: def pb_settings_filename():
      return 'Package Bundler.sublime-settings'
  
  def st_settings_filename():
      if int(sublime.version()) >= 2174:
          return 'Preferences.sublime-settings'
      return 'Global.sublime-settings
  
subject: Update settings.py