--- a/eric6/Plugins/VcsPlugins/vcsMercurial/RebaseExtension/HgRebaseDialog.py Mon Mar 01 17:48:43 2021 +0100 +++ b/eric6/Plugins/VcsPlugins/vcsMercurial/RebaseExtension/HgRebaseDialog.py Tue Mar 02 17:17:09 2021 +0100 @@ -77,7 +77,8 @@ elif self.bookmark2Button.isChecked(): enabled = enabled and self.bookmark2Combo.currentText() != "" - self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enabled) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Ok).setEnabled(enabled) @pyqtSlot(bool) def on_id1Button_toggled(self, checked):