diff -r 683af9c45c5b -r ec86fc991d28 src/eric7/Project/PropertiesDialog.py --- a/src/eric7/Project/PropertiesDialog.py Wed Dec 18 17:40:14 2024 +0100 +++ b/src/eric7/Project/PropertiesDialog.py Wed Dec 18 18:03:07 2024 +0100 @@ -228,7 +228,7 @@ try: self.mixedLanguageCheckBox.checkStateChanged.connect( self.__initFileTypesDict - ) + ) except AttributeError: # backward compatibility for Qt < 6.7 self.mixedLanguageCheckBox.stateChanged.connect(self.__initFileTypesDict)