https://blog.csdn.net/px41834/article/details/79383985
from aaa.a import Ui_MainWindow
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
if __name__ == ‘__main__‘:
app = QApplication(sys.argv)
MainWindow = QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
pycharm+PyQt5+python最新开发环境配置，踩坑过程详解
原文：https://www.cnblogs.com/pythonClub/p/10199138.html