Django启动时不报错解决方案

项目启动时有报错，但是无法知道具体信息：

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[root@Master new_project]# python3 manage.py runserver Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last):   File "/usr/local/python3/lib/python3.8/threading.py", line 932, in _bootstrap_inner     self.run()   File "/usr/local/python3/lib/python3.8/threading.py", line 870, in run     self._target(*self._args, **self._kwargs)   File "/usr/local/python3/lib/python3.8/site-packages/django/utils/autoreload.py", line 64, in wrapper     fn(*args, **kwargs)   File "/usr/local/python3/lib/python3.8/site-packages/django/core/management/commands/runserver.py", line 125, in inner_run     autoreload.raise_last_exception()   File "/usr/local/python3/lib/python3.8/site-packages/django/utils/autoreload.py", line 87, in raise_last_exception     raise _exception[1]   File "/usr/local/python3/lib/python3.8/site-packages/django/core/management/__init__.py", line 394, in execute     autoreload.check_errors(django.setup)()   File "/usr/local/python3/lib/python3.8/site-packages/django/utils/autoreload.py", line 64, in wrapper     fn(*args, **kwargs)   File "/usr/local/python3/lib/python3.8/site-packages/django/__init__.py", line 24, in setup     apps.populate(settings.INSTALLED_APPS)   File "/usr/local/python3/lib/python3.8/site-packages/django/apps/registry.py", line 84, in populate     raise RuntimeError("populate() isn't reentrant") RuntimeError: populate() isn't reentrant

　　解决方法，把最后一行的报错文件的对应行数里面的内容raise RuntimeError("populate() isn't reentrant")替换成self.app_configs = {}，报错立显！