From 422a413bd5904b042cde18f31d91223ce92cd66b Mon Sep 17 00:00:00 2001
From: hseg <gesh@gesh.uni.cx>
Date: Thu, 11 Apr 2019 02:30:32 +0300
Subject: [PATCH] Strip surrounding whitespace in filenames

Such spaces are annoying enough to deal with, and break external downloaders trying to be smart (such as aria2c).
Fixes #20312.
---
 youtube_dl/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 71713f63a..a42618238 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -509,7 +509,7 @@ def sanitize_filename(s, restricted=False, is_id=False):
     if not is_id:
         while '__' in result:
             result = result.replace('__', '_')
-        result = result.strip('_')
+        result = result.strip(' _')
         # Common case of "Foreign band name - English song title"
         if restricted and result.startswith('-_'):
             result = result[2:]