@utilities.remove_null_proxy_kwarg<EOL><INDENT>def get_objective_bank_lookup_session(self):<DEDENT>
if not self.supports_objective_bank_lookup():<EOL><INDENT>raise errors.Unimplemented()<EOL><DEDENT>return sessions.ObjectiveBankLookupSession(runtime=self._runtime)<EOL>
Gets the OsidSession associated with the objective bank lookup service.

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