'Qt Override.'

def keyPressEvent(self, event):

    key = event.key()
    if (key in [Qt.Key_Up]):
        self._parent.previous_row()
    elif (key in [Qt.Key_Down]):
        self._parent.next_row()
    elif (key in [Qt.Key_Enter, Qt.Key_Return]):
        self._parent.show_editor()
    else:
        super(ShortcutFinder, self).keyPressEvent(event)
