xadmin添加记录__str__ returned non-string (type NoneType)错误

Question

添加某些会出错，例如添加“购物车”，“日志记录”等
TypeError at /xadmin/trade/shoppingcart/add/
str returned non-string (type NoneType)
Request Method: GET
Request URL: http://127.0.0.1:8000/xadmin/trade/shoppingcart/add/
Django Version: 2.2

TypeError at /xadmin/xadmin/log/add/
str returned non-string (type NoneType)
Request Method: GET
Request URL: http://127.0.0.1:8000/xadmin/xadmin/log/add/
Django Version: 2.2

Answer 1

提问者 慕标5080917 2020-03-17 21:40:40

已解决，改了点老师的程序。

• bobby #1

  好的，

• weixin_慕圣4534646 #2

  您好，请问您是怎么改的，我也出现这个问题了