code: def get_sequence_rule_lookup_session(self):
          
          if not self.supports_sequence_rule_lookup():
              raise errors.Unimplemented()
          # pylint: disable=no-member
          return sessions.SequenceRuleLookupSession(runtime=self._runtime)
docs: Gets the ``OsidSession`` associated with the sequence rule lookup service.
  
          return: (osid.assessment.authoring.SequenceRuleLookupSession) -
                  a ``SequenceRuleLookupSession``
          raise:  OperationFailed - unable to complete request
          raise:  Unimplemented - ``supports_sequence_rule_lookup()`` is
                  ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_sequence_rule_lookup()`` is ``true``.*