def test_add_timedate(self):
    'Test unsupported additions raise NotImplemented.'
    t1 = datetime.datetime.utcnow()
    t2 = (t1 + datetime.timedelta(days=1))
    t3 = t1.__add__(t2)
    self.assertIs(t3, NotImplemented)
    t1 = Timestamp.utcnow()
    t2 = (t1 + datetime.timedelta(days=1))
    t3 = t1.__add__(t2)
    self.assertIs(t3, NotImplemented)
Test unsupported additions raise NotImplemented.
def test_add_timedate(self):
    
    t1 = datetime.datetime.utcnow()
    t2 = (t1 + datetime.timedelta(days=1))
    t3 = t1.__add__(t2)
    self.assertIs(t3, NotImplemented)
    t1 = Timestamp.utcnow()
    t2 = (t1 + datetime.timedelta(days=1))
    t3 = t1.__add__(t2)
    self.assertIs(t3, NotImplemented)