docs: def send_photo(self, peer: Peer, photo: str, caption: str=None, reply: int=None, on_success: callable=None,
                     reply_markup: botapi.ReplyMarkup=None):
          """
          Send photo to peer.
          :param peer: Peer to send message to.
          :param photo: File path to photo to send.
          :param caption: Caption for photo
          :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
          """
          pass