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Flags using list[str] for <code>columns</code> and <code>index</code> on pd.DataFrame

typechecking

Status: Open.

Bug

#1657 In facebook/pyrefly;

· wyfok opened on Nov 21, 2025

pyrefly lsp cannot find imports from virtual environment

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

pycharm

Status: Open.

Bug

#1655 In facebook/pyrefly;

· bmarroquin opened on Nov 21, 2025

[lsp][completion] rank results based on compatibility in context

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

Status: Open.

Feature

#1653 In facebook/pyrefly;

· kinto0 opened on Nov 21, 2025

Infer descriptor type

needs-discussionAn issue where it's not clear whether there is a bug or we are behaving as expected.An issue where it's not clear whether there is a bug or we are behaving as expected.

Status: Open.

Feature

#1652 In facebook/pyrefly;

· iwanb opened on Nov 21, 2025

Contextmanager lossing Generics

typechecking

Status: Open.

Bug

#1646 In facebook/pyrefly;

· PabloRuizCuevas opened on Nov 21, 2025

Pyrefly crashes VSCode

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

Status: Open.

Bug

#1636 In facebook/pyrefly;

· varchasgopalaswamy opened on Nov 20, 2025

Pyrefly VS Code extension ignores the interpreter selected in “Python: Select Interpreter”

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

Status: Open.

Bug

#1632 In facebook/pyrefly;

· c0rychu opened on Nov 20, 2025

Type hole due to missing unsafe overlapping check for selected <code>abc</code>s and runtime checkable Protocol

typechecking

Status: Open.

Feature

#1628 In facebook/pyrefly;

· fangyi-zhou opened on Nov 19, 2025

Argument <code>BytesIO</code> is not assignable to parameter <code>excel_writer</code> for Pandas

typechecking

UserBugs reported by external users that should be prioritisedBugs reported by external users that should be prioritised

Status: Open.

Bug

#1626 In facebook/pyrefly;

· wyfok opened on Nov 19, 2025

False positive "Abstract methods for async generators should use def, not async def"

typechecking

UserBugs reported by external users that should be prioritisedBugs reported by external users that should be prioritised

Status: Open.

Bug

#1624 In facebook/pyrefly;

· baum314nk opened on Nov 19, 2025

Typeshed path override breaks stdlib types

configuration

typeshed

UserBugs reported by external users that should be prioritisedBugs reported by external users that should be prioritised

Status: Open.

Bug

#1621 In facebook/pyrefly;

· yangdanny97 opened on Nov 19, 2025

Type narrowing not working with dict with literal keys

narrowingIssues with narrowing - root cause is usually narrowing, flow handling, or bothIssues with narrowing - root cause is usually narrowing, flow handling, or both

Status: Open.

Bug

#1616 In facebook/pyrefly;

· RyotaUshio opened on Nov 19, 2025