in test.py [0:0]
def test_flipping():
image = accimage.Image("chicago.jpg")
original_image_np = image_to_np(image)
FLIP_LEFT_RIGHT = 0
image.transpose(FLIP_LEFT_RIGHT)
if SAVE_IMAGES:
save_image('test_flipping.jpg', image)
new_image_np = image_to_np(image)
assert image.width == 1920
assert image.height == 931
np.testing.assert_array_equal(new_image_np[:, ::-1, :], original_image_np)