def test_delay_4(self):
        v4 = np.array([1., 2., 3., 4.])
        r4 = np.array([0., 1., 2., 3.])
        self.assertTrue(np.allclose(delay(v4, 1), r4))
is a literal string
dataset/ETHPy150Open ggventurini/python-deltasigma/deltasigma/tests/test_delay.py/TestDelay.test_delay_4--crossover with--dataset/ETHPy150Open xraypy/xraylarch/lib/utils/strutils.py/isLiteralStr