Method handle_signal_exception

crates/vm/src/frame.rs:1519–1532

(
                    frame: &mut ExecutingFrame<'_>,
                    exception: PyBaseExceptionRef,
                    idx: usize,
                    vm: &VirtualMachine,
                )

            {
                #[cold]
                fn handle_signal_exception(
                    frame: &mut ExecutingFrame<'_>,
                    exception: PyBaseExceptionRef,
                    idx: usize,
                    vm: &VirtualMachine,
                ) -> FrameResult {
                    let (loc, _end_loc) = frame.code.locations[idx];
                    let next = exception.__traceback__();
                    let new_traceback =
                        PyTraceback::new(next, frame.object.to_owned(), idx as u32 * 2, loc.line);
                    exception.set_traceback_typed(Some(new_traceback.into_ref(&vm.ctx)));
                    vm.contextualize_exception(&exception);
                    frame.unwind_blocks(vm, UnwindReason::Raising { exception })
                }
                match handle_signal_exception(self, exception, idx, vm) {
                    Ok(None) => {}
                    Ok(Some(value)) => {