'While the default item class is :py:class:`boto.sdb.item.Item`, this
default may be overridden. Use this method to change a connection\'s
item class.
:param object cls: The new class to set as this connection\'s item
class. See the default item class for inspiration as to what your
replacement should/could look like.'

def set_item_cls(self, cls):

    self.item_cls = cls
