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[Bug]: list(): negative __length_hint__ raises TypeError instead of ValueError

bugSomething isn't workingSomething isn't working

Status: Open.

#757 In oracle/graalpython;

· jseop-lim opened on Apr 21, 2026

[Bug]: tuple() does not validate __len__ / __length_hint__ before iterating

bugSomething isn't workingSomething isn't working

Status: Open.

#756 In oracle/graalpython;

· jseop-lim opened on Apr 21, 2026

[Bug]: float.__pow__ silently returns inf instead of raising OverflowError when the result overflows

bugSomething isn't workingSomething isn't working

Status: Open.

#754 In oracle/graalpython;

· jseop-lim opened on Apr 21, 2026

[Bug]: aiter() raises async for-specific TypeError message instead of CPython's

bugSomething isn't workingSomething isn't working

Status: Open.

#753 In oracle/graalpython;

· jseop-lim opened on Apr 21, 2026

pandas CANNOT work with multi context due to TypeError: object.init() takes exactly one argument (the instance to initialize)

bugSomething isn't workingSomething isn't working

Status: Open.

#642 In oracle/graalpython;

· yandenghui12 opened on Feb 14, 2026

numpy CANNOT work with multi context due to TypeError: object.__init__() takes exactly one argument (the instance to initialize) (Graalpy Veresion 25.0.2)

Status: Open.

#628 In oracle/graalpython;

· xiongxoy opened on Feb 2, 2026

Proposal: Change versioning scheme to use the Python version

Status: Open.

#623 In oracle/graalpython;

· msimacek opened on Jan 29, 2026

Add a comment if the CI fails on a PR that is already closed

Status: Open.

#609 In oracle/graalpython;

· timfel opened on Jan 26, 2026

Instances of subclasses of PyLong_Type created in C extensions use Java object handles, possibly causing segmentation faults

good first issueGood for newcomersGood for newcomers

Status: Open.

#595 In oracle/graalpython;

· actapia opened on Jan 15, 2026

Support __text_signature__ generation for C extensions

good first issueGood for newcomersGood for newcomers

Status: Open.

#593 In oracle/graalpython;

· skirpichev opened on Jan 15, 2026

Support for pyproj: cpython.pythread APIs cause runtime crash

Status: Open.

#590 In oracle/graalpython;

· shrynx opened on Jan 13, 2026

Request: PyTorch 2.8+ compatibility patches

Status: Open.

#588 In oracle/graalpython;

· morrismeyer opened on Jan 10, 2026