def test_1x3(self):

        rs = [Rectangle(-.02, -.2, .95, .48),
              Rectangle(0.1, .51, 0.32, .53),
              Rectangle(0.32, .49, .30, .53),
              Rectangle(0.7, .52, .40, .53)]

        ex = [Rectangle(0, 0, 1, .5),
              Rectangle(0, .5, 1 / 3., .5),
              Rectangle(1 / 3., .5, 1 / 3., .5),
              Rectangle(2 / 3., .5, 3. / 1, .5)]

        self.check(rs, ex)
dataset/ETHPy150Open glue-viz/glue/glue/core/tests/test_layout.py/TestSnap.test_1x3/swapped operands of `/`