code: def test_flips():
      tens = caer.data.sunrise()
  
      vflip = caer.transforms.vflip(tens)
      hflip = caer.transforms.hflip(tens)
      hvflip = caer.transforms.hvflip(tens)
  
      cv_vflip = cv.flip(tens, 0)
      cv_hflip = cv.flip(tens, 1)
      cv_hvflip = cv.flip(tens, -1)
  
      # Assert same shapes
      assert vflip.shape == tens.shape
      assert hflip.shape == tens.shape
      assert hvflip.shape == tens.shape
  
      # Assert everything else
      assert np.all(vflip == cv_vflip)
      assert np.all(hflip == cv_hflip)
      assert np.all(hvflip == cv_hvflip)
  
imports: import numpy
  import cv2
  import caer
label_desc: Use image node_id 1 for calling a global function with example usage: test_flips() without return types