Method __reduce__

crates/vm/src/builtins/object.rs:527–529

(obj: PyObjectRef, vm: &VirtualMachine)

    #[pymethod]
    fn __reduce__(obj: PyObjectRef, vm: &VirtualMachine) -> PyResult {
        common_reduce(obj, 0, vm)
    }

    #[pymethod]
    fn __reduce_ex__(obj: PyObjectRef, proto: usize, vm: &VirtualMachine) -> PyResult {