test exception inheritance in python woot

test-exception-inheritance.py

class HttpError(Exception):
    pass


class UnauthorizedError(HttpError):
    code = 401

    def __str__(self):
        return "You shall not pass!"


class NotFoundError(HttpError):
    code = 404

    def __str__(self):
        return "I maybe.. err misplaced what you are looking for"


def test_exception(exception):
    try:
        raise exception
    except HttpError as e:
        print("Http error : {0}".format(e.code))
        print(e)


if __name__ == "__main__":
    print(":: Will now raise 404")
    print("-"*30)
    test_exception(NotFoundError)
    print(":: Will now raise 401")
    print("-"*30)
    test_exception(UnauthorizedError)