def _get_annotate_text(self):
    self._check_camera_open()
    mp = self._camera.control.params[mmal.MMAL_PARAMETER_ANNOTATE]
    if mp.enable:
        return mp.text.decode('ascii')
    else:
        return ''
def _get_annotate_text(self):
    self._check_camera_open()
    mp = self._camera.control.params[mmal.MMAL_PARAMETER_ANNOTATE]
    if mp.enable:
        return mp.text.decode('ascii')
    else:
        return 