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PEP 827: Produce errors for invalid type operations#4914

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1st1 merged 2 commits into
python:mainfrom
msullivan:error
May 13, 2026
Merged

PEP 827: Produce errors for invalid type operations#4914
1st1 merged 2 commits into
python:mainfrom
msullivan:error

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@msullivan msullivan commented Apr 16, 2026

Currently the PEP calls for returning Never.

  • Change is either:
    • To a Draft PEP
    • To an Accepted or Final PEP, with Steering Council approval
    • To fix an editorial issue (markup, typo, link, header, etc)
  • PR title prefixed with PEP number (e.g. PEP 123: Summary of changes)

📚 Documentation preview 📚: https://pep-previews--4914.org.readthedocs.build/

Currently the PEP calls for returning `Never`.
@msullivan msullivan requested a review from 1st1 as a code owner April 16, 2026 01:37
@1st1 1st1 merged commit da0d594 into python:main May 13, 2026
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3 participants