https://github.com/python/cpython/commit/656abe3c9a228d20b2455f216a5a94b1a752495f commit: 656abe3c9a228d20b2455f216a5a94b1a752495f branch: main author: Victor Stinner <[email protected]> committer: vstinner <[email protected]> date: 2026-03-18T23:09:18+01:00 summary:
gh-141510: Document isinstance change for frozendict in What's New (#146107) files: M Doc/whatsnew/3.15.rst diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index 7d5c6e224789be..5689ecbffc4b30 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -221,6 +221,11 @@ The following standard library modules have been updated to accept :func:`eval` and :func:`exec` accept :class:`!frozendict` for *globals*, and :func:`type` and :meth:`str.maketrans` accept :class:`!frozendict` for *dict*. +Code checking for :class:`dict` type using ``isinstance(arg, dict)`` can be +updated to ``isinstance(arg, (dict, frozendict))`` to accept also the +:class:`!frozendict` type, or to ``isinstance(arg, collections.abc.Mapping)`` +to accept also other mapping types such as :class:`~types.MappingProxyType`. + .. seealso:: :pep:`814` for the full specification and rationale. (Contributed by Victor Stinner and Donghee Na in :gh:`141510`.) _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
