code: def VerifyStructure(self, parser_mediator, line):
      
      try:
        structure = self._DPKG_LOG_LINE.parseString(line)
      except pyparsing.ParseException as exception:
        logger.debug(
            'Unable to parse Debian dpkg.log file with error: {0!s}'.format(
                exception))
        return False
  
      return 'date_time' in structure and 'body' in structure
docs: Verifies if a line from a text file is in the expected format.
  
      Args:
        parser_mediator (ParserMediator): parser mediator.
        line (str): line from a text file.
  
      Returns:
        bool: True if the line is in the expected format, False if not.