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<code>map</code> and <code>accumulate</code> creates broken iterator when a <code>StopIteration</code> is raised from the callback function

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

Status: Open.

#137921 In python/cpython;

· Atry opened on Aug 18, 2025

Semantically relevant typo in <code>curses.window.attron</code>

docsDocumentation in the Doc dirDocumentation in the Doc dir

easy

extension-modulesC modules in the Modules dirC modules in the Modules dir

Status: Open.

#137920 In python/cpython;

· DilettanteProjects opened on Aug 18, 2025

Dataclass <code>frozen</code> documentation mention an non-existing section

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-dataclasses

Status: Open.

#137900 In python/cpython;

· Viicos opened on Aug 18, 2025

Improve error messages for invalid <code>shelve</code> datum

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137899 In python/cpython;

· picnixz opened on Aug 18, 2025

Deprecate the <code>-R</code> option

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137897 In python/cpython;

· StanFromIreland opened on Aug 18, 2025

Dataclasses fields should evaluate their annotations

topic-dataclasses

topic-typing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137891 In python/cpython;

· Zaharid opened on Aug 17, 2025

Cannot pickle cyclic ExceptionGroup

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137889 In python/cpython;

· dcolascione opened on Aug 17, 2025

json C vs pure-python behavior difference

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137888 In python/cpython;

· ptth222 opened on Aug 17, 2025

Illumos and Solaris Thread Native ID

extension-modulesC modules in the Modules dirC modules in the Modules dir

OS-unsupported

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137884 In python/cpython;

· yuce opened on Aug 17, 2025

Runaway recursion with keyword arguments in 3.14

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

release-blocker

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137883 In python/cpython;

· jrivers0 opened on Aug 17, 2025

Add backend parameter to dbm.open() and shelve.open() for explicit DBM backend selection

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137881 In python/cpython;

· furkanonder opened on Aug 17, 2025

Default dlopenflags inconsistent between Linux and macOS

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

OS-linux

OS-mac

topic-importlib

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#137880 In python/cpython;

· pitrou opened on Aug 17, 2025