synchronized static method in python

Java code

class AClass {
    private static int _count = 0;

    public static synchronized inc(){
        _count ++;
    }
    
    public static synchronized dec(){
        _count --;
    }
}

Python code

import threading

class AClass(object):
    __count = 0
    __lock = threading.RLock()

    @classmethod
    def inc(cls):
        with cls.__lock:
            cls.__count += 1

    @classmethod
    def dec(cls):
        with cls.__lock:
            cls.__count -= 1