[New-bugs-announce] [issue42675] Document changes made in bpo-42195

[Ken Jin]

New submission from Ken Jin <kenjin4096 at gmail.com>:

A whatsnew is probably needed as this change causes backwards incompatibility in some code working with Python 3.9.0 and 3.9.1. I think the patch for Python 3.9.2 should mention that a DeprecationWarning is emitted for some invalid use cases, which will eventually become a TypeError.

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assignee: docs at python
components: Documentation
messages: 383304
nosy: docs at python, gvanrossum, kj
priority: normal
severity: normal
status: open
title: Document changes made in bpo-42195
versions: Python 3.10, Python 3.9

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<https://bugs.python.org/issue42675>
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