[PyQt] error message

[the_wolf_dz]

hi everybody
I have created an GUI with the QT designer and when i integrate it in the python IDE ( Pycharm or Visuel Studio)
I encounter the following error message " RuntimeError: You can't initialize an object twice!" and I can't understand what's the problem
please help me
the source code :

from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.uic import loadUiType
from Custom_Widgets.Widgets import *
from PySide2.QtWidgets import *
import os
import sys
MainUi,_ =loadUiType('interface.ui')

class Main(QMainWindow, MainUi):
    def __init__(self,parent=None):
        super(Main, self).__init__(parent)
        QMainWindow.__init__(self)
        self.setupUi(self)
        loadJsonStyle(self, self.ui)

def main ():
    app=QApplication(sys.argv)
    window= Main()
    window.show()
    app.exec_()

if __name__ == "__main__":
    main()