AttributError 

Traceback (most recent call last):
  File "pyqtappUI.py", line 16, in <module>
    window = MyApp()
  File "pyqtappUI.py", line 12, in __init__
    self.setupUi(self)
  File "\<string\>", line 1498, in setupUi
AttributeError: type object 'Qt' has no attribute 'ImhMultiLine'