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dict: match CPython errors for invalid update sequence elements #8338

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Merged
youknowone merged 5 commits into from
Jul 29, 2026
Merged

dict: match CPython errors for invalid update sequence elements #8338

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0aed904
fix dict update type error
2jiyong Jul 18, 2026
73891b1
Use tuple for dictionary update sequence pairs
2jiyong Jul 25, 2026
a0adb66
Propagate errors while adding dict update sequence notes
2jiyong Jul 29, 2026
a0817f9
Match BaseException.add_note error message with CPython
2jiyong Jul 29, 2026
f012d4f
Merge branch 'main' into fix-dict-update-type-error
2jiyong Jul 29, 2026
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Match BaseException.add_note error message with CPython
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@2jiyong
2jiyong committed Jul 29, 2026
commit a0817f9be2da4e0a7a07efef405e47a1762663ef
2 changes: 1 addition & 1 deletion crates/vm/src/exceptions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -703,7 +703,7 @@ impl PyRef<PyBaseException> {

let notes = notes
.downcast::<PyList>()
.map_err(|_| vm.new_type_error("__notes__ must be a list"))?;
.map_err(|_| vm.new_type_error("Cannot add note: __notes__ is not a list"))?;

notes.borrow_vec_mut().push(note.into());
Ok(())
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