docs: def send_audio(self, audio: str, reply: Message=None, on_success: callable=None,
                     reply_markup: botapi.ReplyMarkup=None):
          """
          Send audio clip to this peer.
          :param audio: File path to audio to send.
          :param reply: Message object or message_id to reply to.
          :param on_success: Callback to call when call is complete.
  
          :type reply: int or Message
          """
  
          self.twx.send_audio(peer=self, audio=audio, reply_to_message_id=reply, on_success=on_success,
                              reply_markup=reply_markup)