Function missing

crates/vm/src/stdlib/sys/monitoring.rs:1110–1112

(vm: &VirtualMachine)

    #[pyattr(once, name = "MISSING")]
    fn missing(vm: &VirtualMachine) -> PyObjectRef {
        super::get_missing(vm)
    }

    #[pyattr(once)]
    fn events(vm: &VirtualMachine) -> PyRef<PyNamespace> {