[New-bugs-announce] [issue39817] CRITICAL: TypeError: cannot pickle 'generator'

[Oscar]

New submission from Oscar <dotoscat at gmail.com>:

I use Windows 10 Home 1909

CRITICAL: TypeError: cannot pickle 'generator' object
PS D:\projects\user.log> Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "c:\users\user\appdata\local\programs\python\python38\lib\multiprocessing\spawn.py", line 102, in spawn_main
    source_process = _winapi.OpenProcess(
OSError: [WinError 87]

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components: Library (Lib), Windows
messages: 363090
nosy: dotoscat, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: CRITICAL: TypeError: cannot pickle 'generator'
type: crash
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39817>
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