@abc.abstractmethod<EOL><INDENT>def get_avatar(self):<DEDENT>
return<EOL>
Gets the asset.

        :return: the asset
        :rtype: ``osid.repository.Asset``
        :raise: ``IllegalState`` -- ``has_avatar()`` is ``false``
        :raise: ``OperationFailed`` -- unable to complete request

        *compliance: mandatory -- This method must be implemented.*