[issue36087] ThreadPoolExecutor max_workers none issue

[Andrew Svetlov]

Andrew Svetlov  added the comment:

Please use the correct documentation version for Python 3.4.
https://docs.python.org/3.4/library/concurrent.futures.html doesn't mention the 
pool size auto-selection.
The feature was added in Python 3.5 only.

Also, Python 3.4 reached the end-of-life, this version is not supported anymore.

--
nosy: +asvetlov
resolution:  -> not a bug
stage: patch review -> resolved
status: open -> closed
type: crash -> enhancement

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[issue36087] ThreadPoolExecutor max_workers none issue

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Thanks for the report. 3.4 is in security fixes only mode and will reach end of 
life soon. This seems to be a backport of the change in 3.5 that won't be 
accepted. Since the feature is available in 3.5+ I would recommend upgrading to 
3.5 and above and to close this issue.

--
nosy: +xtreak

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[issue36087] ThreadPoolExecutor max_workers none issue

[Roundup Robot]

Change by Roundup Robot :


--
keywords: +patch
pull_requests: +12018
stage:  -> patch review

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[issue36087] ThreadPoolExecutor max_workers none issue

[Tony Hammack]

New submission from Tony Hammack :

ThreadPoolExecutor(max_workers=None) throws exception when it should not. 
Inconsistent with 3.4 documentation. If max_workers=None, then it should use 
the amount of cpus as threadcount.

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components: Library (Lib)
messages: 336354
nosy: Tony Hammack
priority: normal
severity: normal
status: open
title: ThreadPoolExecutor max_workers none issue
type: crash
versions: Python 3.4

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