Django admin coercing to Unicode: need string or buffer, tuple found

见 http://stackoverflow.com/questions/29762306/django-admin-coercing-to-unicode-need-string-or-buffer-tuple-found

错误原因就是__unicode__需要返回的是一串字符串,你返回的却是别的

原文地址:https://www.cnblogs.com/wswang/p/5396128.html