bpo-27682: Handle client connection terminations in wsgiref. by PetterS · Pull Request #9713 · python/cpython

I,ve got same error in Windows 8.1, Python 3.9.1, Django 3.1.7. No matter Firefox or Chrome :/

    [19/Feb/2021 11:11:54] "GET / HTTP/1.1" 200 2222
    Not Found: /favicon.ico
    ----------------------------------------
    Exception occurred during processing of request from ('127.0.0.1', 50643)
    Traceback (most recent call last):
      File "C:\Users\Krzyś\AppData\Local\Programs\Python\Python39\lib\socketserver.py", line 650, in process_request_thread
        self.finish_request(request, client_address)
      File "C:\Users\Krzyś\AppData\Local\Programs\Python\Python39\lib\socketserver.py", line 360, in finish_request
        self.RequestHandlerClass(request, client_address, self)
      File "C:\Users\Krzyś\AppData\Local\Programs\Python\Python39\lib\socketserver.py", line 720, in __init__
        self.handle()
      File "C:\Users\Krzyś\Documents\Django [szkolenia]\djangostocks\venv\lib\site-packages\django\core\servers\basehttp.py", line 174, in handle
        self.handle_one_request()
      File "C:\Users\Krzyś\Documents\Django [szkolenia]\djangostocks\venv\lib\site-packages\django\core\servers\basehttp.py", line 182, in handle_one_request
        self.raw_requestline = self.rfile.readline(65537)
      File "C:\Users\Krzyś\AppData\Local\Programs\Python\Python39\lib\socket.py", line 704, in readinto
        return self._sock.recv_into(b)
    ConnectionAbortedError: [WinError 10053] Nawiązane połączenie zostało przerwane przez oprogramowanie zainstalowane w komputerze-hoście
    ----------------------------------------