@abc.abstractmethod<EOL><INDENT>def get_assessments_by_genus_type(self, assessment_genus_type):<DEDENT>
return<EOL>
Gets an ``AssessmentList`` corresponding to the given assessment genus ``Type`` which does not include assessments of types derived from the specified ``Type``.

        In plenary mode, the returned list contains all known
        assessments or an error results. Otherwise, the returned list
        may contain only those assessments that are accessible through
        this session.

        :param assessment_genus_type: an assessment genus type
        :type assessment_genus_type: ``osid.type.Type``
        :return: the returned ``Assessment`` list
        :rtype: ``osid.assessment.AssessmentList``
        :raise: ``NullArgument`` -- ``assessment_genus_type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

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