def __exit__(self, exc_type, exc_value, traceback):
    DirectoryChanger.__exit__(self, exc_type, exc_value, traceback)
    shutil.rmtree(self.destination)
def __exit__(self, exc_type, exc_value, traceback):
    DirectoryChanger.__exit__(self, exc_type, exc_value, traceback)
    shutil.rmtree(self.destination)