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GeezerVison is showing github.com — [3.13] gh-132898: Add a note in `multiprocessing.Process` docs about creating a process in a REPL (GH-137118) by miss-islington · Pull Request #137155 · python/cpython

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@miss-islington

@miss-islington miss-islington commented Jul 27, 2025 •
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  • Reword, expand, and clarify the limitation, highlighting the REPL case.
  • Mention in the high level Process description.
  • added a pointer to the GH issue from the doc note

(cherry picked from commit 4e40f2b)

Co-authored-by: Duprat [email protected]
Co-authored-by: Gregory P. Smith [email protected]

  • Issue: REPL: AttributeError: module __mp_main__ has no attribute is_prime in ProcessPoolExecutor example #132898

📚 Documentation preview 📚: https://cpython-previews--137155.org.readthedocs.build/

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@YvesDup @gpshead @miss-islington
pythongh-132898: Add a note in multiprocessing.Process docs about c…
d78fb93 
…reating a process in a REPL (pythonGH-137118)

* Reword, expand, and clarify the limitation, highlighting the REPL case.
* Mention in the high level Process description.
* added a pointer to the GH issue from the doc note

---------
(cherry picked from commit 4e40f2b)

Co-authored-by: Duprat <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
@miss-islington
miss-islington requested a review from gpshead as a code owner July 27, 2025 19:59
@bedevere-app bedevere-app Bot added awaiting review docs Documentation in the Doc dir skip news labels Jul 27, 2025
@github-project-automation github-project-automation Bot moved this to Todo in Docs PRs Jul 27, 2025
@github-project-automation github-project-automation Bot added this to Docs PRs Jul 27, 2025
This was referenced Jul 27, 2025
REPL: AttributeError: module __mp_main__ has no attribute is_prime in ProcessPoolExecutor example #132898
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gh-132898: Add a note in multiprocessing.Process docs about creating a process in a REPL session #137118
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@gpshead gpshead self-assigned this Jul 27, 2025
gpshead
gpshead approved these changes Jul 27, 2025
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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting review labels Jul 27, 2025
@gpshead
gpshead enabled auto-merge (squash) July 27, 2025 20:01
@gpshead
gpshead merged commit f867711 into python:3.13 Jul 27, 2025
@github-project-automation github-project-automation Bot moved this from Todo to Done in Docs PRs Jul 27, 2025
@bedevere-app bedevere-app Bot removed the awaiting merge label Jul 27, 2025
@brianschubert brianschubert mentioned this pull request Jul 27, 2025
[3.13] gh-84559: improve What's New entry for multiprocessing startmethod changes (GH-128173) #137156
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@brianschubert

brianschubert commented Jul 27, 2025

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docs build failed with undefined label: 'multiprocessing-programming-spawn'. That label was added in #128173, which wasn't backported to 3.13. I opened #137156 to add the labels to the 3.13 docs
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@gpshead

gpshead commented Jul 28, 2025

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Thanks! Looks like our CI docs build caught that but isn't configured as a blocking requirement.
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@miss-islington
miss-islington deleted the backport-4e40f2b-3.13 branch January 2, 2026 16:48
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@miss-islington @brianschubert @gpshead @YvesDup
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