def stop_preview(self):
    '\n        Hides the preview overlay.\n\n        If :meth:`start_preview` has previously been called, this method shuts\n        down the preview display which generally results in the underlying\n        display becoming visible again. If a preview is not currently running,\n        no exception is raised - the method will simply do nothing.\n        '
    self._check_camera_open()
    self._preview.close()
    self._preview = PiNullSink(self, self._camera.outputs[self.CAMERA_PREVIEW_PORT])
Hides the preview overlay.

If :meth:`start_preview` has previously been called, this method shuts
down the preview display which generally results in the underlying
display becoming visible again. If a preview is not currently running,
no exception is raised - the method will simply do nothing.
def stop_preview(self):
    '\n        Hides the preview overlay.\n\n        If :meth:`start_preview` has previously been called, this method shuts\n        down the preview display which generally results in the underlying\n        display becoming visible again. If a preview is not currently running,\n        no exception is raised - the method will simply do nothing.\n        '
    self._check_camera_open()
    self._preview.close()
    self._preview = PiNullSink(self, self._camera.outputs[self.CAMERA_PREVIEW_PORT])