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CPython-WASM interpreter (python.wasm) never exits the program when it is built on WASI-SDK 27

buildThe build process and cross-buildThe build process and cross-build

OS-wasi

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

Status: Open.

#137580 In python/cpython;

· fernwehist opened on Aug 9, 2025

<code>timeit</code> does not allow <code>from module import *</code>

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.

#137578 In python/cpython;

· inventshah opened on Aug 9, 2025

traceback shows wrong source code in basic REPL when PYTHONSTARTUP is set

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-replRelated to the interactive shellRelated to the interactive shell

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

Status: Open.

#137576 In python/cpython;

· ilupin opened on Aug 9, 2025

AIX 7.3 build Error

buildThe build process and cross-buildThe build process and cross-build

OS-unsupported

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

Status: Open.

#137575 In python/cpython;

· AAB94 opened on Aug 9, 2025

<code>gzip._GzipReader.read()</code> with sometimes uninitialized variable

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.

#137571 In python/cpython;

· maurycy opened on Aug 8, 2025

Misleading SyntaxError: cannot use assignment expressions with lambda

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.

#137570 In python/cpython;

· wyattscarpenter opened on Aug 8, 2025

<code>test_repl.test_toplevel_contextvars_async</code> fails under Fish in a VS Code terminal

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

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

Status: Open.

#137569 In python/cpython;

· brettcannon opened on Aug 8, 2025

<code>test_pyrepl.test_dumb_terminal_exits_cleanly</code> fails under Fish when run in VS Code's terminal

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

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

Status: Open.

#137568 In python/cpython;

· brettcannon opened on Aug 8, 2025

GH-137426: Remove code deprecation of <code>importlib.abc.ResourceLoader</code>

awaiting core review

needs backport to 3.14bugs and security fixesbugs and security fixes

topic-importlib

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

Status: Open (in progress).

python/cpythonnumber 137567

#137567 In python/cpython;

· brettcannon opened on Aug 8, 2025

Reading <code>cafile</code> from <code>ssl.create_default_context</code> causes ~143,000 disk operations in Windows

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

OS-windows

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

topic-SSL

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

Status: Open.

#137560 In python/cpython;

· sloweclair opened on Aug 8, 2025

<code>asyncio.Timeout.__aexit__</code> does not handle <code>BaseExceptionGroup</code>

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-asyncio

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

Status: Open.

#137549 In python/cpython;

· PLPeeters opened on Aug 8, 2025

Unchanged lines detected as changes with difflib.HtmlDiff

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.

#137548 In python/cpython;

· jeffkaufman opened on Aug 8, 2025