pyhton os.mkdir The directory created by Pyhton os.mkdir cannot be read only

..In the following code, the created folder test is always read-only, can not be changed manually, and instantly changed to read-only

def imp():
    import easygui as g
    #print(levelchoose.get(),modechoose.get(),songschoose.get())
    if songschoose.get() == '0':
        g.msgbox(msg='你没有选择任何歌曲！',title='错误')
    else:
        pathA = '.\\' + songschoose.get()
        pathB = '..\\..\\..\\Album\\test\\' + songschoose.get()
        #print(pathA)
        if not os.path.isdir('..\\..\\..\\Album\\test'):

            os.mkdir('..\\..\\..\\Album\\test')
            os.chmod('..\\..\\..\\Album\\test',stat.S_IWRITE)
        shutil.copyfile(src=pathA,dst=pathB)
        
        Delaytxt = open('.\\Delay.txt',mode='r',encoding='utf-8')
        #print(Delaytxt.readlines())
        delay = ''
        lines = Delaytxt.readlines()
        print(lines)
        for i in lines:
            
            temp2 = i.split(',')
            temp3 = list(songschoose.get())
            temp3[-1] = ''
            temp3[-2] = ''
            temp3[-3] = ''
            temp3[-4] = ''
            temp4 = ''.join(temp3)
            print(temp2)
            if temp2[0] == temp4:
                delay = temp2[1]
        if delay == '':
            g.msgbox(msg='错误!未在Delay.txt中找到延迟信息\n请检查Delay.txt\n可能是因为你手动修改了Delay.txt,那么将这个文件删除，在制谱器中从新保存即可。',title='错误')
        else:
            os.chmod('..\\..\\..\\Album\\test',stat.S_IWRITE)
            data = open('..\\..\\..\\Album\\test',mode='w')
            data.write('\n'+songschoose.get()+'#'+modechoose.get()+'#'+levelchoose.get()+'#'+delay)
            g.msgbox(msg='导入成功',title='消息')