cannot import name 'QApplicationr' from 'PyQt5.QtWidgets' (C:\Program Files\Python37\lib\site-packag

from random import randint

from PyQt5.QtCore import Qt, QSize
from PyQt5.QtGui import QIcon


##from PyQt5.QtWidgets import QWidget, QListWidget, QStackedWidget, QHBoxLayout,\
##    QListWidgetItem, QLabel  #从报错来看是这个库的错
from PyQt5.QtWidgets import *  #直接整个导入就解决了