class_docstr: Flip the image.
class_docstr_tok: ["Flip","the","image","."]
code: def apply_image(self, img):
      if self.horiz:
          return img[:, ::-1]
      else:
          return img[::-1]
  
imports: import numpy
  import cv2
  from ...utils.argtools import log_once
  from .base import ImageAugmentor, _default_repr
label_desc: Use image node_id 2 for calling the FlipTransform obj's underlying member method code with example usage: obj.apply_image(img) and returns: img, img