How to add flags for a window?

Question

PyQt

Conditionally I have a code

from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow

class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(611, 318)
        MainWindow.setMinimumSize(QtCore.QSize(611, 318))
        MainWindow.setMaximumSize(QtCore.QSize(611, 318))
        font = QtGui.QFont()
        font.setBold(False)
        font.setWeight(50)
        MainWindow.setFont(font)
        icon = QtGui.QIcon()
        icon.addPixmap(QtGui.QPixmap("icon.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
        MainWindow.setWindowIcon(icon)
        MainWindow.setStyleSheet("background-color: rgb(108, 108, 162);")
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.Lable_Name = QtWidgets.QLabel(self.centralwidget)
        self.Lable_Name.setEnabled(True)
        self.Lable_Name.setGeometry(QtCore.QRect(50, 10, 591, 31))
...

How can I paste here

class Main(QMainWindow):
    def __init__(self):
        super(Main, self).__init__()
        self.setWindowFlags(Qt.WindowStaysOnTopHint | Qt.FramelessWindowHint)

I need the window to be borderless and stay on top of all windows