doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS.

时间：2019-06-18 10:25:49 收藏：0 阅读：600

在settings.py中增加

INSTALLED_APPS = [
    ...
    ‘django.contrib.sites‘,
]

问题就解决了。什么原因。——不知道。。

原文：https://www.cnblogs.com/crave/p/11043786.html

doesn&#39;t declare an explicit app_label and isn&#39;t in an application in INSTALLED_APPS.