PYQT5 - UI LOAD

import typing
from PyQt5.QtWidgets import QMainWindow, QApplication, QPushButton, QTextBrowser, QWidget
from PyQt5 import QtCore, uic
import sys



class UI(QMainWindow):
    def __init__(self):
        super(UI, self).__init__()



        #load file
        uic.loadUi("ui.ui",self)


        #show the app
        self.show()


app = QApplication(sys.argv)

UIWindow = UI()
app.exec_()