code: def getboolean_optional(self, section, option, default=False):
          
          try:
              return self.getboolean(section, option)
          except (configparser.NoSectionError, configparser.NoOptionError):
              return default
docs: Get an option boolean value for a given section
          If the section or the option are not found, the default value is returned
  
          :param section: config section
          :param option: config option
          :param default: default value
          :returns: boolean config value