def test_bounding_box():
assert algo.bounding_box(np_tab)[0][0] == 70
assert algo.bounding_box(np_tab)[0][1] == 45
assert algo.bounding_box(np_tab)[1][0] == 89
assert algo.bounding_box(np_tab)[1][1] == 54
def test_bounding_box_raiseError():
with pytest.raises(ValueError):
assert algo.bounding_box(np_tab_zeros)
