@abc.abstractmethod<EOL><INDENT>def get_assessment_parts_by_genus_type(self, assessment_part_genus_type):<DEDENT>
return<EOL>
Gets an ``AssessmentPartList`` corresponding to the given assessment part genus ``Type`` which does not include assessment parts of types derived from the specified ``Type``.

        :param assessment_part_genus_type: an assessment part genus type
        :type assessment_part_genus_type: ``osid.type.Type``
        :return: the returned ``AssessmentPart`` list
        :rtype: ``osid.assessment.authoring.AssessmentPartList``
        :raise: ``NullArgument`` -- ``assessment_part_genus_type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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