download tg files failed sometimes

[wx69wx]

sometimes download tg file failed, the log below.
reboot vps can fix,but why?
please fix the bug , thanks a lot!

2022-10-12 22:26:41,307 - pyrogram.connection.connection - WARNING - timed out
2022-10-12 22:27:47,591 - pyrogram.session.session - WARNING - [5] Retrying "raw.functions.upload.GetFile" due to
2022-10-12 22:28:03,100 - pyrogram.client - ERROR -
Traceback (most recent call last):
File "/usr/local/lib/python3.9/dist-packages/pyrogram/client.py", line 952, in get_file
r = await session.send(
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 461, in send
return await self.send(data, retries - 1, timeout)
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 461, in send
return await self.send(data, retries - 1, timeout)
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 461, in send
return await self.send(data, retries - 1, timeout)
[Previous line repeated 2 more times]
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 454, in send
raise e from None
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 442, in send
return await self._send(data, timeout=timeout)
File "/usr/local/lib/python3.9/dist-packages/pyrogram/session/session.py", line 407, in _send
raise TimeoutError
TimeoutError
2022-10-12 22:28:03,278 - pyrogram.dispatcher - ERROR - expected str, bytes or os.PathLike object, not NoneType
Traceback (most recent call last):
File "/usr/local/lib/python3.9/dist-packages/pyrogram/dispatcher.py", line 210, in handler_worker
await self.loop.run_in_executor(
File "/usr/lib/python3.9/concurrent/futures/thread.py", line 52, in run
result = self.fn(*self.args, **self.kwargs)
File "/root/bot/bot/plugins/download.py", line 67, in _telegram_file
sent_message.edit(Messages.DOWNLOADED_SUCCESSFULLY.format(os.path.basename(file_path), humanbytes(os.path.getsize(file_path))))
File "/usr/lib/python3.9/posixpath.py", line 142, in basename
p = os.fspath(p)
TypeError: expected str, bytes or os.PathLike object, not NoneType

[wx69wx]

does the bot has limit of total size when downloading the tg files?