code: def is_secure_option(self, section, option):
          
          if not self.has_section(section):
              return False
          if not self.has_option(section, option):
              return False
          if ConfigParser.get(self, section, option) == self._secure_placeholder:
              return True
          return False
docs: Test an option to see if it is secured or not.
  
          :param section: section id
          :type section: string
          :param option: option name
          :type option: string
          :rtype: boolean
          otherwise.