def keyPressEvent(self, event):
b = self.property("bandNr")
if event.key() == Qt.Key_Return or event.key() == Qt.Key_Enter:
if is_number(self.text().replace(',', '.')):
self.setValue(float(self.text().replace(',', '.')))
self.user_hit_enter.emit()
else:
QgsDoubleSpinBox.keyPressEvent(self, event)
