'Load TTS from demo.'

def get_tts_audio(self, message, language, options=None):

    filename = os.path.join(os.path.dirname(__file__), 'demo.mp3')
    try:
        with open(filename, 'rb') as voice:
            data = voice.read()
    except OSError:
        return (None, None)
    return ('mp3', data)
