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Use _Py prefix for private C API added in 3.15

topic-C-API

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

Status: Open.

#149685 In python/cpython;

· encukou opened on May 11, 2026

SSLContext.load_verify_locations(cadata=...) does not accept CRLs (unlike cafile and capath)

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149679 In python/cpython;

· uedvt359 opened on May 11, 2026

frozendict's hash is not initialised when created through pipe operator

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

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

Status: Open.

#149676 In python/cpython;

· KowalskiThomas opened on May 11, 2026

tarfile: Appending nothing to a TAR with PAX global headers corrupts it

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

Status: Open.

#149674 In python/cpython;

· spbnick opened on May 11, 2026

PEP 829: KeyError: "local variable ''sitedir'' is not defined"

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

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.

#149671 In python/cpython;

· hugovk opened on May 11, 2026

Typo in unittest module docs

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#149663 In python/cpython;

· arnimarj opened on May 11, 2026

-X lazy_imports=all should not apply to exec() inside functions

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

3.16new 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.

#149642 In python/cpython;

· JelleZijlstra opened on May 10, 2026

Should we test -X lazy_imports=all more?

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

3.16new features, bugs and security fixesnew features, bugs and security fixes

testsTests in the Lib/test dirTests in the Lib/test dir

topic-lazy-imports

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

Status: Open.

#149640 In python/cpython;

· JelleZijlstra opened on May 10, 2026

pylifecycle.c: Multiple init/fini cleanup bugs

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

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

Status: Open.

#149630 In python/cpython;

· Wulian233 opened on May 10, 2026

_remote_debugging: incorrect error for process_vm_readv() w/ EPERM when detecting the cookie

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

topic-profiling

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

Status: Open.

#149619 In python/cpython;

· maurycy opened on May 9, 2026

Unguarded use of nl_langinfo on _Py_GetLocaleEncoding

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

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

Status: Open.

#149616 In python/cpython;

· AGraber opened on May 9, 2026

TypeError when trying to deepcopy argparse.ArgumentParser()

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.

#149614 In python/cpython;

· kmvanbrunt opened on May 9, 2026