def METHOD_NAME(self):
    inf = Decimal("inf")
    v = Decimal("0.123")
    s = StatValue.from_list([inf])
    self.assertEqual(s.sum, inf, f"Not Inf, but {s.sum}")
    self.assertEqual(s.avg, inf, f"Not Inf, but {s.avg}")
    self.assertEqual(s.max, inf, f"Not Inf, but {s.max}")
    self.assertEqual(s.min, inf, f"Not Inf, but {s.min}")
    self.assertEqual(s.median, inf, f"Not Inf, but {s.median}")
    self.assertEqual(s.stdev, inf, f"Not Inf, but {s.stdev}")
    s = StatValue.from_list([inf, v])
    self.assertEqual(s.sum, inf, f"Not Inf, but {s.sum}")
    self.assertEqual(s.avg, inf, f"Not NaN, but {s.avg}")
    self.assertEqual(s.max, inf, f"Not NaN, but {s.max}")
    self.assertEqual(s.min, v, f"Not NaN, but {s.min}")
    self.assertEqual(s.median, inf, f"Not NaN, but {s.median}")
    self.assertEqual(s.stdev, inf, f"Not NaN, but {s.stdev}")