augment the download bandwith , how to change of how many file at the same time and how many parts of each file at same time ?

[azerfr2]

originally , the script download several file at the same time and i see the download bandwidth is only 2,6 MB
with trying to play with those 2 variable i manage to have a better bandwidth (5,7mb , but i got warning showing
like error 400 (see at the end of this post) or error 420 (flood warning)

could you help me to optimise and get the highest throughput by tuning how many file and how many part of each file would be downloaded at the same time ? thanks

i started to play with :
begin_import(config, pagination_limit=2) to download only 2 files at the same time

then i attempted to add some variable to be able to download more parts, but i might be wrong with the usage of max_concurrent_transmissions=XXXX

client = pyrogram.Client(
        "media_downloader",
        api_id=config["api_id"],
        api_hash=config["api_hash"],
        workers=1,
        max_concurrent_transmissions=2,
        proxy=config.get("proxy"),
    )

the message of error is :

 Telegram says: [400 AUTH_BYTES_INVALID] - The authorization bytes are invalid (caused by "auth.ImportAuthorization")                                                                                                                                                                                                   client.py:1021
                    Traceback (most recent call last):
                      File "C:\w\net-crea\Python_3_10_11\lib\site-packages\pyrogram\client.py", line 884, in get_file
                        await session.invoke(
                      File "C:\w\net-crea\Python_3_10_11\lib\site-packages\pyrogram\session\session.py", line 389, in invoke
                        return await self.send(query, timeout=timeout)
                      File "C:\w\net-crea\Python_3_10_11\lib\site-packages\pyrogram\session\session.py", line 357, in send
                        RPCError.raise_it(result, type(data))
                      File "C:\w\net-crea\Python_3_10_11\lib\site-packages\pyrogram\errors\rpc_error.py", line 91, in raise_it
                        raise getattr(
                    pyrogram.errors.exceptions.bad_request_400.AuthBytesInvalid: Telegram says: [400 AUTH_BYTES_INVALID] - The authorization bytes are invalid (caused by "auth.ImportAuthorization")