from PyQt5.QtWidgets import QDialog from PyQt5.QtCore import Qt from ui.about import Ui_About class AboutDialog(QDialog): def __init__(self, parent=None): super(AboutDialog, self).__init__( parent, Qt.WindowSystemMenuHint | Qt.WindowTitleHint | Qt.WindowCloseButtonHint ) self.ui = Ui_About() self.ui.setupUi(self) @staticmethod def show_(parent=None): about = AboutDialog(parent) about.exec_()