'Return a set of attributes for a multiple items in
multiple tables using their primary keys.
:type batch_list: :class:`boto.dynamodb.batch.BatchList`
:param batch_list: A BatchList object which consists of a
list of :class:`boto.dynamoddb.batch.Batch` objects.
Each Batch object contains the information about one
batch of objects that you wish to retrieve in this
request.'

def batch_get_item(self, batch_list):

    request_items = batch_list.to_dict()
    return self.layer1.batch_get_item(request_items, object_hook=self.dynamizer.decode)
