'Returns a list of :py:class:`boto.ec2.elb.instancestate.InstanceState`
objects, which show the health of the instances attached to this
load balancer.
:rtype: list
:returns: A list of
:py:class:`InstanceState <boto.ec2.elb.instancestate.InstanceState>`
instances, representing the instances
attached to this load balancer.'

def get_instance_health(self, instances=None):

    return self.connection.describe_instance_health(self.name, instances)
