def test_get_scalar(self):
     x = TimeSeries([
         (datetime.date(2001, 12, 31), 1),
         (datetime.date(2002, 12, 31), 2),
         (datetime.date(2003, 12, 31), 5),
     ])
     y = x.scalar(2)
     self.assertEqual(y.get(), [
         (datetime.date(2001, 12, 31), 2.0),
         (datetime.date(2002, 12, 31), 4.0),
         (datetime.date(2003, 12, 31), 10.0),
     ])
 def test_get_scalar(self):
     x = TimeSeries([
         (datetime.date(2001, 12, 31), 1),
         (datetime.date(2002, 12, 31), 2),
         (datetime.date(2003, 12, 31), 5),
     ])
     y = x.scalar(2)
     self.assertEqual(y.get(), [
         (datetime.date(2001, 12, 31), 2.0), 
         (datetime.date(2002, 12, 31), 4.0),
         (datetime.date(2003, 12, 31), 10.0),
     ])