Hi,
I am testing the
[concurrent.interpreters](https://docs.python.org/3.14/library/concurrent.interpreters.html)
feature from Python **3.14rc3** (the latest current rc).
The subinterpreter seems to behave in a surprising way when encountering syntax
errors. For example, in the following code:
On 2025-08-28 21:15:11 +0100, Mark Bourne wrote:
> I don't know if Sphinx can extract types from type hints but, at least if
> the docstring is just for humans reading the code, using those can reduce
> the markup in the docstring:
> ```
> def copy(s: int, d: int) -> None:
> """
> Copy the
