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asserting TypeGuard not working as expected?

Status: Open.

#3925 In facebook/pyrefly;

· gonnet opened on Jun 24, 2026

bug(stubgen): __all__ is dropped from emitted stubs, breaking wildcard re-exports

stubgen

Status: Open.

#3924 In facebook/pyrefly;

· tobyh-canva opened on Jun 24, 2026

[feature] support incompatible-comparison rule for class instance

Status: Open.

#3923 In facebook/pyrefly;

· Ha-limLee opened on Jun 24, 2026

Add --dry-run flag to pyrefly infer

help wantedLarger than "good first issue", but still well-defined and ready for someone to pick upLarger than "good first issue", but still well-defined and ready for someone to pick up

inferof or related to pyre inferof or related to pyre infer

Status: Open.

Feature

#3920 In facebook/pyrefly;

· mdbernard opened on Jun 23, 2026

support type check for patch assert_called_with

typechecking

Status: Open.

Feature

#3913 In facebook/pyrefly;

· asukaminato0721 opened on Jun 23, 2026

false negative: Callable[..., ...]

good first issueGood for newcomersGood for newcomers

quansight

typechecking

Status: Open.

Bug

#3912 In facebook/pyrefly;

· jorenham opened on Jun 23, 2026

False-positive trigger of unused-variable when returning a Generator

help wantedLarger than "good first issue", but still well-defined and ready for someone to pick upLarger than "good first issue", but still well-defined and ready for someone to pick up

typechecking

Status: Open.

Bug

#3911 In facebook/pyrefly;

· haykh opened on Jun 23, 2026

·  

v1.2

pyrefly coverage should respect project-excludes from the config

configuration

quansight

Status: Open.

Feature

#3909 In facebook/pyrefly;

· jorenham opened on Jun 23, 2026

highlight for %s in string

good first issueGood for newcomersGood for newcomers

language-serverIssues specific to our IDE integration rather than type checkingIssues specific to our IDE integration rather than type checking

Status: Open.

Feature

#3908 In facebook/pyrefly;

· asukaminato0721 opened on Jun 23, 2026

inline hints for ndarray / Tensors are not helpful

language-serverIssues specific to our IDE integration rather than type checkingIssues specific to our IDE integration rather than type checking

questionFurther information is requestedFurther information is requested

Status: Open.

#3907 In facebook/pyrefly;

· arogozhnikov opened on Jun 23, 2026

Overloaded function not assignable to Protocol with a matching overloaded __call__ (bad-return)

overloads

typechecking

Status: Open.

Bug

#3903 In facebook/pyrefly;

· maharjun opened on Jun 23, 2026

·  

v1.2

Pyrefly incorrectly flags valid dataclass field named self as duplicate and wrong

help wantedLarger than "good first issue", but still well-defined and ready for someone to pick upLarger than "good first issue", but still well-defined and ready for someone to pick up

pydanticIssues related to support for PydanticIssues related to support for Pydantic

typechecking

Status: Open.

Bug

#3900 In facebook/pyrefly;

· dillydill123 opened on Jun 22, 2026