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pyright doesn't catch trivial unbount attributes in __init__

bugSomething isn't workingSomething isn't working

Status: Open.

#11384 In microsoft/pyright;

· aubergenepizza opened on Apr 14, 2026

class-level descriptor access has incorrect type when descriptor set on instance

bugSomething isn't workingSomething isn't working

Status: Open.

#11382 In microsoft/pyright;

· gdchinacat opened on Apr 13, 2026

Tuples are inferred as containing literal value types despite explicit annotation with general type

bugSomething isn't workingSomething isn't working

Status: Open.

#11381 In microsoft/pyright;

· viliml opened on Apr 13, 2026

Type inference didn't take into account instance field being changed in method

Status: Open.

#11380 In microsoft/pyright;

· johndoknjas opened on Apr 12, 2026

resulting ItemsView isn't narrowed after isinstance(..., Mapping) check (and other oddities)

bugSomething isn't workingSomething isn't working

Status: Open.

#11377 In microsoft/pyright;

· posita opened on Apr 10, 2026

Union type incorrectly satisfies TypeVar bound to Protocol with Self in contravariant position

bugSomething isn't workingSomething isn't working

Status: Open.

#11374 In microsoft/pyright;

· DanShaders opened on Apr 10, 2026

Setting attributes of class instance in __new__ method included in __slots__ causes those attributes to be inferred as Unbound

bugSomething isn't workingSomething isn't working

Status: Open.

#11373 In microsoft/pyright;

· jonathandung opened on Apr 9, 2026

Significant Performance Regression in 1.1.405+

bugSomething isn't workingSomething isn't working

Status: Open.

#11359 In microsoft/pyright;

· arranf opened on Apr 2, 2026

"Arguments for ParamSpec are missing" error

bugSomething isn't workingSomething isn't working

Status: Open.

#11358 In microsoft/pyright;

· srittau opened on Apr 2, 2026

StrEnum not recognized as a string by dictionary update

bugSomething isn't workingSomething isn't working

Status: Open.

#11354 In microsoft/pyright;

· acampove opened on Mar 29, 2026

False positive reportCallIssue for generic constructor call using inferred private instance attribute

Status: Open.

#11356 In microsoft/pyright;

· Erlonealpha opened on Mar 28, 2026

Type ignore comments with ty-namespaced codes are not recognized as blanket type ignores

bugSomething isn't workingSomething isn't working

Status: Open.

#11345 In microsoft/pyright;

· correctmost opened on Mar 25, 2026