raise TypeError(f'Object of type {o.__class__.__name__} ' TypeError: Object of type Status is not JSON serializable [15/Jun/2020 08:37:49] "POST /admin/customers HTTP/1.1" 500 122204 EnumChoiceModelSerializerMixin 을 추가해야지만 EnumChoiceModelSerializer을 사용할 수 있다.
