Paste using the mouse: Press the second mouse button, then release it again.

def _paste_using_mouse_button_2(self):
        """Paste using the mouse: Press the second mouse button, then release it again."""
        focus = self.localDisplay.get_input_focus().focus
        xtest.fake_input(focus, X.ButtonPress, X.Button2)
        xtest.fake_input(focus, X.ButtonRelease, X.Button2)
        logger.debug("Mouse Button2 event sent.")