diff -r c2cb561a39b0 -r 967a88a16a21 src/eric7/Project/PropertiesDialog.py --- a/src/eric7/Project/PropertiesDialog.py Sat Nov 30 11:09:02 2024 +0100 +++ b/src/eric7/Project/PropertiesDialog.py Tue Jan 14 17:29:56 2025 +0100 @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- -# Copyright (c) 2002 - 2024 Detlev Offenbach <detlev@die-offenbachs.de> +# Copyright (c) 2002 - 2025 Detlev Offenbach <detlev@die-offenbachs.de> # """ @@ -225,7 +225,13 @@ self.__initFileTypesDict(force=True) self.languageComboBox.currentTextChanged.connect(self.__initFileTypesDict) - self.mixedLanguageCheckBox.stateChanged.connect(self.__initFileTypesDict) + try: + self.mixedLanguageCheckBox.checkStateChanged.connect( + self.__initFileTypesDict + ) + except AttributeError: + # backward compatibility for Qt < 6.7 + self.mixedLanguageCheckBox.stateChanged.connect(self.__initFileTypesDict) self.projectTypeComboBox.currentIndexChanged.connect(self.__initFileTypesDict) self.__updateOk()