def img_from_vgg(x):
    '''Decondition an image from the VGG16 model.'''
    x = x.transpose((1, 2, 0))
    x[:, :, 0] += 103.939
    x[:, :, 1] += 116.779
    x[:, :, 2] += 123.68
    x = x[:,:,::-1]  # to RGB
    return x
Decondition an image from the VGG16 model.