old_contents: from django.core.management import BaseCommand
  
  
  class Command(BaseCommand):
      help = 'Assign wholesaler case IDs to child cases.'
  
      def handle(self, *args, **options):
          pass
  
new_contents: from corehq.apps.commtrack.models import SupplyPointCase
  from corehq.apps.locations.models import Location
  from django.core.management import BaseCommand
  
  
  class Command(BaseCommand):
      help = 'Assign wholesaler case IDs to child cases.'
  
      def handle(self, *args, **options):
          for retailer_location in Location.filter_by_type(
                  "colalifezambia", "retailer"):
              retailer_case = SupplyPointCase.get_by_location(retailer_location)
              wholesaler_location = retailer_location.parent
              wholesaler_case = SupplyPointCase.get_by_location(
                  wholesaler_location
              )
              retailer_case.wholesaler_case_id = wholesaler_case._id
              retailer_case.save()
  
subject: implement load_wholesaler_case_ids