def perform(self):
        self._window.close()
True if the underlying file is connected to a tty device.
dataset/ETHPy150Open enthought/mayavi/examples/tvtk/scene.py/ExitAction.perform--crossover with--dataset/ETHPy150Open ricmoo/pycoind/pycoind/util/pyscrypt/file.py/ScryptFile.isatty