code: def __call__(self, image, target):
      if random.random() < self.flip_prob:
          image = F.vflip(image)
          target = F.vflip(target)
      return image, target
  
imports: import numpy
  import random
  import torch
  from torchvision import transforms
  from torchvision.transforms import functional
label_desc: Use image node_id 2 for calling the RandomVerticalFlip obj's underlying member method code with example usage: obj.__call__(image, target) and returns: image,  target