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Title: Improve unhashable set element errors by kyokuping · Pull Request #8286 · RustPython/RustPython · GitHub

Open Graph Title: Improve unhashable set element errors by kyokuping · Pull Request #8286 · RustPython/RustPython

X Title: Improve unhashable set element errors by kyokuping · Pull Request #8286 · RustPython/RustPython

Description: Assisted-by: Codex:gpt-5.4 Closes #xxxx This PR follows our AI policy Summary Improve unhashable element error messages for set contains, add, and discard operations while preserving non-TypeError exceptions. Summary by CodeRabbit Bug Fixes Improved TypeError output for set operations involving unhashable elements (when checking membership and when adding/removing/discarding). Set-related errors now clearly report the invalid element’s type and keep the original TypeError available as the underlying cause (__cause__).

Open Graph Description: Assisted-by: Codex:gpt-5.4 Closes #xxxx This PR follows our AI policy Summary Improve unhashable element error messages for set contains, add, and discard operations while preserving non-Ty...

X Description: Assisted-by: Codex:gpt-5.4 Closes #xxxx This PR follows our AI policy Summary Improve unhashable element error messages for set contains, add, and discard operations while preserving non-Ty...

Opengraph URL: https://github.com/RustPython/RustPython/pull/8286

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8c8f71c Improve unhashable set element errors kyokuping Jul 14, 2026 https://github.com/RustPython/RustPython/pull/8286/commits/8c8f71c0e61150799422feaad4dcf3c85cdbfc5c
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