diff -r 27f636beebad -r 2c730d5fd177 eric6/MicroPython/EspBackupRestoreFirmwareDialog.py --- a/eric6/MicroPython/EspBackupRestoreFirmwareDialog.py Mon Mar 01 17:48:43 2021 +0100 +++ b/eric6/MicroPython/EspBackupRestoreFirmwareDialog.py Tue Mar 02 17:17:09 2021 +0100 @@ -95,7 +95,8 @@ enable &= bool(self.sizeComboBox.currentText()) else: enable &= os.path.exists(firmwareFile) - self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enable) + self.buttonBox.button( + QDialogButtonBox.StandardButton.Ok).setEnabled(enable) @pyqtSlot(str) def on_espComboBox_currentTextChanged(self, chip):