Python error

gistfile1.txt

Traceback (most recent call last):
  File "tg-recover.py", line 13, in <module>
    client.start()
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/client/auth.py", line 133, in start
    else self.loop.run_until_complete(coro)
  File "/usr/lib64/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/client/auth.py", line 189, in _start
    await self.send_code_request(phone, force_sms=force_sms)
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/client/auth.py", line 514, in send_code_request
    result = await self(functions.auth.SendCodeRequest(
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/client/users.py", line 30, in __call__
    return await self._call(self._sender, request, ordered=ordered)
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/client/users.py", line 58, in _call
    future = sender.send(request, ordered=ordered)
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/network/mtprotosender.py", line 176, in send
    state = RequestState(request)
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/network/requeststate.py", line 17, in __init__
    self.data = bytes(request)
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/tl/tlobject.py", line 194, in __bytes__
    return self._bytes()
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/tl/functions/auth.py", line 488, in _bytes
    self.serialize_bytes(self.api_hash),
  File "/home/dan/.local/lib/python3.8/site-packages/telethon/tl/tlobject.py", line 112, in serialize_bytes
    raise TypeError(
TypeError: bytes or str expected, not <class 'int'>