Traceback (most recent call last):
  File "runUi.py", line 17, in <module>
    form = MainWindow()          #... Instantiate 'form' as a MainWindow
  File "runUi.py", line 13, in __init__
    self.setupUi(self)
  File "G:DocumentsGitHubdoorbell3Ui.py", line 37, in setupUi
    self.pushButton_2.pressed.connect(Dialog.GreetFriend)
AttributeError: 'MainWindow' object has no attribute 'GreetFriend'