code: def _elbv2_load_balancer(self, lookup):
      
      client = EFAwsResolver.__CLIENTS['elbv2']
      elbs = client.describe_load_balancers(Names=[lookup])
      # getting the first one, since we requested only one lb
      elb = elbs['LoadBalancers'][0]
      return elb
docs: Args:
        lookup: the friendly name of the V2 elb to look up
      Returns:
        A dict with the load balancer description
      Raises:
        botocore.exceptions.ClientError: no such load-balancer