Skip to content

panic: KeyExport already exists with value #2900

@correctmost

Description

@correctmost

Describe the Bug

Pyrefly crashes when checking this code:

__all__ += ["A"]
__all__ += ["A"]
ERROR Thread panicked, shutting down: panicked at pyrefly/lib/binding/bindings.rs:700:13:
Key KeyExport(Name("A")) already exists with value Forward(Idx { idx: 169, phantom: PhantomData<pyrefly::binding::binding::Key> }), cannot insert new value Forward(Idx { idx: 170, phantom: PhantomData<pyrefly::binding::binding::Key> })

Version info

0.58.0

Sandbox Link

https://pyrefly.org/sandbox/?project=N4IgZglgNgpgziAXKOBDAdgEwEYHsAeAdAA4CeSIA%2BpalFNQAQDUAvAwNoA6IAgtwLqd01WvUrM2XXgKEgANCDIAnGGCilCAF1wBbKBQDEDAAqkVa0gzRY8%2BBgGNc6SAHMArktSaITwkKMAyjAwDAAWmprEcIgA9DHKquqEuEouMTDoMZi49nAxjs4Q7p7eTjEMYCkMqABuqNCo2LAOTq4eXj7oDLjEpehwfuhkmqFOALQ1MEpwnQxs3ADMhACMAEzcQuxTSilwguhu6BA6xCmaMJhjmBAq9t6TcwwA5EXoKTBPQm%2BaYyoAjm4bhcxgBrGCkMaoez2eBwR5PADuqCU6E%2B6BAAF8FFD7jAAGLQGAUaw4AgkcgYoA

(Only applicable for extension issues) IDE Information

No response

Metadata

Metadata

Labels

Type

No fields configured for Bug.

Projects

No projects

Milestone

No milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions