code: def save(self, force_insert=False, force_update=False, using=None,
               update_fields=None):
          
          # Always create a new entry, instead of updating an existing model
          self.pk = None  # pylint: disable=invalid-name
          super(ConfigurationModel, self).save(
              force_insert,
              force_update,
              using,
              update_fields
          )
          cache.delete(self.cache_key_name(*[getattr(self, key) for key in self.KEY_FIELDS]))
          if self.KEY_FIELDS:
              cache.delete(self.key_values_cache_key_name())
docs: Clear the cached value when saving a new configuration entry