File "C:\Users\qiujiahao\AppData\Local\Programs\Python\Python35\lib\site-packages\
django\apps\registry.py", line 132, in check_apps_ready
raise AppRegistryNotReady("Apps aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.
是不是app没有加入到INSTALLED_APPS中 这里的课程我用的django是1.8.2版本