docs: def get_banks_by_assessment_part(self, assessment_part_id):
          """Gets the ``Banks`` mapped to an ``AssessmentPart``.
  
          arg:    assessment_part_id (osid.id.Id): ``Id`` of an
                  ``AssessmentPart``
          return: (osid.assessment.BankList) - list of banks
          raise:  NotFound - ``assessment_part_id`` is not found
          raise:  NullArgument - ``assessment_part_id`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
  
          """
          mgr = self._get_provider_manager('ASSESSMENT', local=True)
          lookup_session = mgr.get_bank_lookup_session(proxy=self._proxy)
          return lookup_session.get_banks_by_ids(
              self.get_bank_ids_by_assessment_part(assessment_part_id))