def showAbout(qt_viewer):
d = QDialog()
d.setObjectName('QtAboutKeybindings')
d.setStyleSheet(qt_viewer.styleSheet())
d.setWindowTitle('Keybindings')
qt_viewer._about_keybindings = QtAboutKeybindings(qt_viewer.viewer, d)
d.show()
d.setWindowModality(Qt.NonModal)
d.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
qt_viewer._about_keybindings_dialog = d
