From 36b09a9459798d8ad2712bde6bb350516fe9994a Mon Sep 17 00:00:00 2001
From: Lonami Exo <totufals@hotmail.com>
Date: Fri, 16 Mar 2018 09:57:37 +0100
Subject: [PATCH] .download_file's file is not optional

---
 telethon/telegram_client.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/telethon/telegram_client.py b/telethon/telegram_client.py
index f0e24918..0d2026b6 100644
--- a/telethon/telegram_client.py
+++ b/telethon/telegram_client.py
@@ -2067,7 +2067,7 @@ class TelegramClient(TelegramBareClient):
             input_location (:obj:`InputFileLocation`):
                 The file location from which the file will be downloaded.
 
-            file (:obj:`str` | :obj:`file`, optional):
+            file (:obj:`str` | :obj:`file`):
                 The output file path, directory, or stream-like object.
                 If the path exists and is a file, it will be overwritten.