Django signals为同一模型创建

Question

我正在尝试创建一个信号，该信号根据CustomUser的类型创建客户端对象或控制器对象：

class CustomUser(AbstractEmailUser):
    TYPE = (
        (0, 'Client'),
        (1, 'Director'),

    type = models.PositiveSmallIntegerField(default=0, choices=TYPE)


class Client(models.Model):
    user = models.OneToOneField(CustomUser)


class Director(models.Model):
    user = models.OneToOneField(CustomUser)


def post_save_data(sender, instance, created, **kwargs):
    if created and CustomUser.objects.get(email=instance.email).type == 0:
        Client.objects.create(user=instance)
    elif created and CustomUser.objects.get(email=instance.email).type == 1:
        Director.objects.create(user=instance)


post_save.connect(post_save_data, sender=CustomUser)

无论我做什么，它总是为客户端创建对象，即使我选择类型1。