docs: def get_objective_banks_by_objective(self, objective_id):
          """Gets the list of ``ObjectiveBanks`` mapped to an ``Objective``.
  
          arg:    objective_id (osid.id.Id): ``Id`` of an ``Objective``
          return: (osid.learning.ObjectiveBankList) - list of objective
                  banks
          raise:  NotFound - ``objective_id`` is not found
          raise:  NullArgument - ``objective_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.ResourceBinSession.get_bins_by_resource
          mgr = self._get_provider_manager('LEARNING', local=True)
          lookup_session = mgr.get_objective_bank_lookup_session(proxy=self._proxy)
          return lookup_session.get_objective_banks_by_ids(
              self.get_objective_bank_ids_by_objective(objective_id))