@utilities.remove_null_proxy_kwarg<EOL><INDENT>def get_assessment_taken_bank_assignment_session(self):<DEDENT>
if not self.supports_assessment_taken_bank_assignment():<EOL><INDENT>raise errors.Unimplemented()<EOL><DEDENT>return sessions.AssessmentTakenBankAssignmentSession(runtime=self._runtime)<EOL>
Gets the session for assigning taken assessments to bank mappings.

        return: (osid.assessment.AssessmentTakenBankAssignmentSession) -
                an ``AssessmentTakenBankAssignmentSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented -
                ``supports_assessment_taken_bank_assignment()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_assessment_taken_bank_assignment()`` is ``true``.*