Denis

Unfortunately, I don’t. It started just after update to Django 3. But never happened in debug mode. Remote User Middlewares can be excluded from settings but nothing changes. I mean...

Sure! ``` Python 3.8.1 (tags/v3.8.1:1b293b6, Dec 18 2019, 23:11:46) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.version...

I definetely have no patches on such crucial modules. To be completely sure that it is not my fault I am going to create an empty Django project and deploy...

Yes, I am using mod_wsgi 4.7.1 generated using python 3.8.1 Unfortunately, I delpoyed empty project and I can say that there is the same error even on empty Django site....

OK, I just updated Python up to 3.8.2 and made comparison with `waitress` 1.1) Load Apache + mod_wsgi 1.2) Reload page -> 500 (set_wakeup_fd only works in main thread error)...

> I would suggest in mod_wsgi config, if on Windows, of using something like: > > ``` > WSGIScriptAlias / /some/path/wsgi.py application-group=%{GLOBAL} > ``` > > The use of `application-group`...