params = {'chat_id': user_id}
files = {'audio': open(audio_name, 'rb')}
requests.post('https://api.telegram.org/botxx:xx/sendAudio', data=params, files=files)
audio = open('audio.mp3', 'rb')
bot.send_audio(chat_id, audio)
audio = open('audio.mp3', 'rb')
bot.send_document(chat_id, audio)