code: def info(self, section='default'):
          
          if not section:
              raise ValueError("invalid section")
          fut = self.execute(b'INFO', section, encoding='utf-8')
          return wait_convert(fut, parse_info)
docs: Get information and statistics about the server.
  
          If called without argument will return default set of sections.
          For available sections, see http://redis.io/commands/INFO
  
          :raises ValueError: if section is invalid