code: def keyPressEvent(self, e):
      if e.key() in [QtCore.Qt.Key_Up, QtCore.Qt.Key_Down]:
          self.list_widget.keyPressEvent(e)
      else:
          super(KeyQLineEdit, self).keyPressEvent(e)
  
imports: import re
  from PyQt5 import QtCore
  from PyQt5 import QtGui
  from PyQt5 import QtWidgets
  from PyQt5.Qt import QT_VERSION_STR
  from libs.utils import newIcon, labelValidator
label_desc: Use image node_id 2 for calling the KeyQLineEdit obj's underlying member method code with example usage: obj.keyPressEvent(e) without return types