code: def remove_duplicates(apps, schema_editor):
      
  
      # Get the model
      EntityRelationship = apps.get_model('entity', 'EntityRelationship')
  
      # Find the duplicates
      duplicates = EntityRelationship.objects.all().order_by(
          'sub_entity_id',
          'super_entity_id'
      ).values(
          'sub_entity_id',
          'super_entity_id'
      ).annotate(
          Count('sub_entity_id'),
          Count('super_entity_id'),
          max_id=Max('id')
      ).filter(
          super_entity_id__count__gt=1
      )
  
      # Loop over the duplicates and delete
      for duplicate in duplicates:
          EntityRelationship.objects.filter(
              sub_entity_id=duplicate['sub_entity_id'],
              super_entity_id=duplicate['super_entity_id']
          ).exclude(
              id=duplicate['max_id']
          ).delete()
docs: Remove any duplicates from the entity relationship table
      :param apps:
      :param schema_editor:
      :return: