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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_parent_objective_banks(self, objective_bank_id):
 """Gets the parents of the given objective bank. arg: objective_bank_id (osid.id.Id):
 the ``Id`` of an objective bank return: (osid.learning.ObjectiveBankList) - the parents of the objective bank raise: NotFound - ``objective_bank_id`` is not found raise: NullArgument - ``objective_bank_id`` is ``null`` raise: OperationFailed - unable to complete request raise: PermissionDenied - authorization failure *compliance: mandatory -- This method must be implemented.* """

        # Implemented from template for
        # osid.resource.BinHierarchySession.get_parent_bins
        if self._catalog_session is not None:
            return self._catalog_session.get_parent_catalogs(catalog_id=objective_bank_id)
        return ObjectiveBankLookupSession(
            self._proxy,
            self._runtime).get_objective_banks_by_ids(
                list(self.get_parent_objective_bank_ids(objective_bank_id)))