code: def set_engine(cls, neweng):
          ''' Sets the given coralillo engine so the model uses it to communicate
          with the redis database '''
          assert isinstance(neweng, Engine), 'Provided object must be of class Engine'
  
          if hasattr(cls, 'Meta'):
              cls.Meta.engine = neweng
          else:
              class Meta:
                  engine = neweng
  
              cls.Meta = Metf set_engine(cls, neweng):
          ''' Sets the given coralillo engine so the model uses it to communicate
          with the redis database '''
          assert isinstance(neweng, Engine), 'Provided object must be of class Engine'
  
          if hasattr(cls, 'Meta'):
              cls.Meta.engine = neweng
          else:
              class Meta:
                  engine = neweng
  
              cls.Meta = Meta
docs: Sets the given coralillo engine so the model uses it to communicate
          with the redis database