docs: def _parse_result(self, result):
          u"""
          This method parses validation results.
          If result is True, then do nothing.
          if include even one false to result,
          this method parse result and raise Exception.
          """
          if result is not True:
              for section, errors in result.iteritems():
                  for key, value in errors.iteritems():
                      if value is not True:
                          message = (
                              '"{0}" option in [{1}] is invalid value. {2}'
                              ''.format(key, section, value)
                          )
                          print(message)
  
              err_message = (
                  'Some options are invalid!!! Please see the log!!!'
              )
              raise validate.ValidateError(err_message)
  
          else:
              return True