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incorrectly rejects assignment to generic attribute with constrained TypeVar

bugSomething isn't workingSomething isn't working

Status: Open.

#10750 In microsoft/pyright;

· akoshel opened on Jul 27, 2025

Sentinel instances only work as constants

bugSomething isn't workingSomething isn't working

Status: Open.

#10744 In microsoft/pyright;

· aolieman opened on Jul 23, 2025

False positive "reportArgumentType" if ParamSpec is inferred as generic argument

bugSomething isn't workingSomething isn't working

Status: Open.

#10733 In microsoft/pyright;

· Alan-Chen99 opened on Jul 22, 2025

Type resolution fails for class attributes with Callable[[], None] annotation

bugSomething isn't workingSomething isn't working

Status: Open.

#10728 In microsoft/pyright;

· Gavin-Hofer opened on Jul 21, 2025

Remove trailing whitespace in diagnostics line output

enhancement requestNew feature or requestNew feature or request

Status: Open.

#10726 In microsoft/pyright;

· pjonsson opened on Jul 19, 2025

bug: bidirectional inference when using typeguard

bugSomething isn't workingSomething isn't working

Status: Open.

#10725 In microsoft/pyright;

· bukzor opened on Jul 18, 2025

Tuple unpacking loses length and order information

bugSomething isn't workingSomething isn't working

Status: Open.

#10723 In microsoft/pyright;

· bersbersbers opened on Jul 18, 2025

Dict key assignment narrows the type of this key

Status: Open.

#10720 In microsoft/pyright;

· sshishov opened on Jul 17, 2025

Inconsistent choice of <code>Union</code> variant when multiple choices are valid

bugSomething isn't workingSomething isn't working

Status: Open.

#10719 In microsoft/pyright;

· LeeeeT opened on Jul 17, 2025

Different narrowing with <code>isinstance</code> vs match-case against Callback-Protocol

bugSomething isn't workingSomething isn't working

Status: Open.

#10714 In microsoft/pyright;

· randolf-scholz opened on Jul 16, 2025

@overload function gives incorrect revealed type for Pylance but not for pyright/mypy

bugSomething isn't workingSomething isn't working

questionFurther information is requestedFurther information is requested

Status: Open.

#10715 In microsoft/pyright;

· michealroberts opened on Jul 16, 2025

<code>list[str]</code> is assignable to <code>list[int | Any]</code>, but shouldn't be

bugSomething isn't workingSomething isn't working

Status: Open.

#10713 In microsoft/pyright;

· JelleZijlstra opened on Jul 16, 2025