def test_ave_unw(self):
c = Average('TestAve')
c.add(1, 1)
c.add(2, 1)
ave, unc = c.average()
self.assertEqual(ave, 1.5)
def test_ave_wei(self):
c = Average('TestAve')
c.add(0, 1)
c.add(1, 3)
ave, unc = c.average()
self.assertEqual(ave, 0.75)