def serialized(self):
        to_ret = {}
        for group, requirements in self.items():
            to_ret[group] = [str(requirement) for requirement in requirements]
        return to_ret
def test_invalid_field_types(self):
        class POINT(Structure):
            pass
        self.assertRaises(TypeError, setattr, POINT, "_fields_", [("x", 1), ("y", 2)])