Method io_error

crates/vm/src/stdlib/_io.rs:5645–5657

(
            zelf: &Py<Self>,
            error: std::io::Error,
            vm: &VirtualMachine,
        )

    )]
    impl FileIO {
        fn io_error(
            zelf: &Py<Self>,
            error: std::io::Error,
            vm: &VirtualMachine,
        ) -> PyBaseExceptionRef {
            let exc = error.to_pyexception(vm);
            if let Ok(name) = zelf.as_object().get_attr("name", vm) {
                exc.as_object()
                    .set_attr("filename", name, vm)
                    .expect("OSError.filename set must success");
            }
            exc
        }

        #[pygetset]
        fn closed(&self) -> bool {