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Docs: problem with page "unittest — Unit testing framework"

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#148186 In python/cpython;

· Hanse00 opened on Apr 6, 2026

itertools.zip_longest stores NULL in GC-tracked ittuple when iterators exhaust

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#148181 In python/cpython;

· devdanzin opened on Apr 6, 2026

functools.lru_cache critical section locks self but _LockHeld dict APIs assert self->cache is locked

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

topic-free-threading

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#148180 In python/cpython;

· devdanzin opened on Apr 6, 2026

Harden validation of remote debugging offset tables

Status: Open.

#148178 In python/cpython;

· pablogsal opened on Apr 6, 2026

Convert variadic argument opcodes to leave their argument on the stack for JIT optimization

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148171 In python/cpython;

· Fidget-Spinner opened on Apr 6, 2026

webbrowser: %action substitution can bypass the dash-prefix check

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-securityA security issueA security issue

Status: Open.

#148169 In python/cpython;

· StanFromIreland opened on Apr 6, 2026

calling python3 -m http.server -port <port> results in ERR_INVALID_HTTP_RESPONSE

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

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

Status: Open.

#148167 In python/cpython;

· GARBAGELINUXGRAPHIC opened on Apr 6, 2026

Windows launcher bundle registers under HKCU despite InstallLauncherAllUsers=1, InstallLauncherAllUsers=1

OS-windows

topic-installation

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

Status: Open.

#148148 In python/cpython;

· sleepy-manul opened on Apr 6, 2026

lazy imports filter sees the same thing for from x import y and from .x import y

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)

topic-lazy-imports

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

Status: Open.

#148110 In python/cpython;

· pablogsal opened on Apr 4, 2026

Revive binascii.Incomplete?

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

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148108 In python/cpython;

· serhiy-storchaka opened on Apr 4, 2026

_pyrepl: switch console refresh to structured rendered screens

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

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

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#148105 In python/cpython;

· pablogsal opened on Apr 4, 2026

Soft deprecate re.match and re.Pattern.match in favour of prefixmatch

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-regex

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148100 In python/cpython;

· hugovk opened on Apr 4, 2026