--- a/eric6/Project/CreateDialogCodeDialog.py Wed Apr 21 17:56:12 2021 +0200 +++ b/eric6/Project/CreateDialogCodeDialog.py Wed Apr 21 19:40:50 2021 +0200 @@ -500,10 +500,11 @@ break # do the coding stuff - if self.project.getProjectType() in ("PySide2", "PySide6"): - pyqtSignatureFormat = '@Slot({0})' - else: - pyqtSignatureFormat = '@pyqtSlot({0})' + pyqtSignatureFormat = ( + '@Slot({0})' + if self.project.getProjectType() in ("PySide2", "PySide6") else + '@pyqtSlot({0})' + ) for row in range(self.slotsModel.rowCount()): topItem = self.slotsModel.item(row) for childRow in range(topItem.rowCount()):