telegram + telethon download message and foto and republish

[faustf]

hi at all , i have a little problem , sorry at al i am beginner of python and telegram and telethon sorry , i want read all message in one channel (i am user), and publish in my channel (admin ), i create this srcipt , and it work for message but not work for download foto , (my platform is linux mint)
anyone can help me ?? or giveme some suggestion ?? thanks

#from telethon import TelegramClient
from telethon import TelegramClient, events
import logging

name     = "TESTCHANNEL"
api_id   = "000000"
api_hash = "AJAJAJJAJAJAJAJAJAJAJAJ"     
phone    = "+32000000000"
Nik      = "NIKNAME" 
filename = "foto"
# Remember to use your own values from my.telegram.org!

logging.basicConfig(format='[%(levelname) 5s/%(asctime)s] %(name)s: %(message)s',
                    level=logging.WARNING)

client = TelegramClient('session', api_id, api_hash)
client.start()

channel = name

@client.on(events.NewMessage(chats=channel))
async def handler(event):
    print(event.message.message)
    MessageR=(event.message.message)
    mes  = await client.send_message(Nik,MessageR)
    await client.pin_message(Nik, mes, notify=True)
    
    path = await client.download_media(message)
    await client.download_media(message, filename)     

client.run_until_disconnected()

thanks at all