Создал файл .ini с нужными параметрами и кодировкой, при старте клиента спросил номер телефона, ввёл в формате: +79156465654. Затем последовала ошибка:
Traceback (most recent call last): File "<pyshell#18>", line 1, in client.start() File "C:...\telethon\client\auth.py", line 133, in start else self.loop.run_until_complete(coro) File "C:...\lib\asyncio\base_events.py", line 642, in run_until_complete return future.result() File "C:...\lib\site-packages\telethon\client\auth.py", line 189, in _start await self.send_code_request(phone, force_sms=force_sms) File "C:...\telethon\client\auth.py", line 514, in send_code_request result = await self(functions.auth.SendCodeRequest( File "C:...\telethon\client\users.py", line 30, in call return await self._call(self._sender, request, ordered=ordered) File "C:...\telethon\client\users.py", line 79, in _call result = await future telethon.errors.rpcerrorlist.ApiIdInvalidError: The api_id/api_hash combination is invalid (caused by SendCodeRequest)