ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE but settings ar

ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings. django导入app报错,即使以前调用app及其model.py是可用的,突然不可用的解决办法 本质原因 python导入模块是按照路径进行搜索,