translator = QTranslator() translator.load("myapp_fr.qm") app.installTranslator(translator)
translator = QTranslator() translator.load("myapp_fr.qm") lineEdit.installTranslator(translator)In this code, we create an instance of the QTranslator class, load the French translation file 'myapp_fr.qm' and install it in the QLineEdit widget. The QTranslator class is a part of the PyQt.QtCore package library.