[Bug 50004] [5.19 regression] wine hangs running simple batch process Python script

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50004

--- Comment #2 from xantares  ---
To reproduce:

$ wget https://www.python.org/ftp/python/3.8.6/python-3.8.6-embed-win32.zip &&
unzip python-3.8.6-embed-win32.zip
$ wine python.exe -c "import subprocess; proc = subprocess.Popen('echo hello',
shell=True, stdout=subprocess.PIPE); stdout_data, stderr_data =
proc.communicate(); ret = proc.poll(); print(ret, stdout_data, stderr_data)"