python – AttributeError: module ‘PyQt5’ has no attribute ‘uic’

hope you are having a nice day.
I am making small PyQt window widget, before adapting it on my main window widget

this is my code,

import sys
from PyQt5 import QtWidgets, uic

class Ui(QtWidgets.QMainWindow):
    def __init__(self):
        super(Ui, self).__init__() # Call the inherited classes __init__ method
        uic.loadUi('untitled.ui', self) # Load the .ui file

app = QtWidgets.QApplication(sys.argv)
window = Ui()

copied from tutorial site. However, it gives me this error message,

Traceback (most recent call last):
  File "path/", line 18, in <module>
    window = Ui()
  File "path/", line 14, in __init__
    qt.uic.loadUi('untitled.ui', self) # Load the .ui file
AttributeError: module 'PyQt5' has no attribute 'uic'

I am wondering why this is not working I tried to uninstall and install PyQt5. And weirdly, my main form, which use the same library, works the same. I checked the interpreter but both code works with the same interpreter.