def test_then_by_descending_not_callable(self):
a = ['sort', 'using', 'third', 'letter', 'then', 'second']
b = Query(a).sort_increasing(lambda x: x[2])
self.assertRaises(TypeError, lambda: b.then_decreasing("not callable"))
def test_then_by_descending_not_callable(self):
a = ['sort', 'using', 'third', 'letter', 'then', 'second']
b = Query(a).sort_increasing(lambda x: x[2])
self.assertRaises(TypeError, lambda: b.then_decreasing("not callable"))
