Telethon: GetFullUserRequest throws UserIdInvalidError

I’m using telethon v12.2. I want to fetch sender user information every incoming UpdateShortMessage event using

self.invoke(GetFullUserRequest(InputUser(update_object.user_id, access_hash)))

when user knows each other (appear in contact list), it run successfully. But, when the sender is not appear in contact list, it throws error :

telethon.telethon.errors.rpc_errors_400.UserIdInvalidError: (UserIdInvalidError(...), 'Invalid object ID for an user. Make sure to pass the right types.')

How can i handle that ?

Then i found this inputUserForeign, is that method implemented in telethon ?

Thanks.