code: def delete(self):
          
          # Delete each field
          for field_name in self._fields:
              field = self.get_field(field_name)
              if not isinstance(field, PKField):
                  # pk has no stored key
                  field.delete()
          # Remove the pk from the model collection
          self.connection.srem(self.get_field('pk').collection_key, self._pk)
          # Deactivate the instance
          delattr(self, "_pk")
docs: Delete the instance from redis storage.