code: def _recv_keys(self, keyids, keyserver=None):
          
          if not keyserver:
              keyserver = self.keyserver
  
          args = ['--keyserver {0}'.format(keyserver),
                  '--recv-keys {0}'.format(keyids)]
          log.info('Requesting keys from %s: %s' % (keyserver, keyids))
  
          result = self._result_map['import'](self)
          proc = self._open_subprocess(args)
          self._collect_output(proc, result)
          log.debug('recv_keys result: %r', result.__dict__)
          return result
docs: Import keys from a keyserver.
  
          :param str keyids: A space-delimited string containing the keyids to
                             request.
          :param str keyserver: The keyserver to request the ``keyids`` from;
                                defaults to `gnupg.GPG.keyserver`.