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Update types from v3.14.2 #6833

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Merged
youknowone merged 6 commits into from
Jan 23, 2026
Merged

Update types from v3.14.2 #6833

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16e26de
Update types from v3.14.2
moreal Jan 22, 2026
6b98862
Add CO_ITERABLE_COROUTINE flag and fix types tests
moreal Jan 22, 2026
be354cd
Handle CO_ITERABLE_COROUTINE flag in GetAwaitable instruction
moreal Jan 22, 2026
ae3a2eb
Handle CO_ITERABLE_COROUTINE flag in anext_awaitable
moreal Jan 22, 2026
b76dde1
Try __await__ method for generator subclasses in anext_awaitable
moreal Jan 22, 2026
0be2f40
apply review
youknowone Jan 23, 2026
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Handle CO_ITERABLE_COROUTINE flag in GetAwaitable instruction 
Generators decorated with @types.coroutine have the CO_ITERABLE_COROUTINE
flag set, making them awaitable. The GetAwaitable instruction now properly
handles this case instead of only checking for __await__ method.

This fixes the "object generator can't be used in 'await' expression" error
that occurred with asyncio.sleep(0) which uses @types.coroutine decorated
__sleep0() generator internally.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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@moreal @claude
moreal and claude committed Jan 22, 2026
commit be354cd3d86500a719205aa8a28ee45d70fa7f9a
17 changes: 17 additions & 0 deletions crates/vm/src/frame.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1013,6 +1013,23 @@ impl ExecutingFrame<'_> {
);
}
awaited_obj
} else if let Some(generator) = awaited_obj.downcast_ref::<PyGenerator>() {
// Generator with CO_ITERABLE_COROUTINE flag can be awaited
// (e.g., generators decorated with @types.coroutine)
if generator
.as_coro()
.frame()
.code
.flags
.contains(bytecode::CodeFlags::ITERABLE_COROUTINE)
{
awaited_obj
} else {
return Err(vm.new_type_error(format!(
"object {} can't be used in 'await' expression",
awaited_obj.class().name(),
)));
}
} else {
let await_method = vm.get_method_or_type_error(
awaited_obj.clone(),
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