From d02064218be76eba6350a13ccbbc473b1b439570 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Petr=20Van=C4=9Bk?= <arkamar@atlas.cz>
Date: Sat, 12 Feb 2022 12:30:29 +0100
Subject: [PATCH] do not use f-strings

---
 youtube_dl/extractor/streamcz.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/streamcz.py b/youtube_dl/extractor/streamcz.py
index fbdc44505..d1736c023 100644
--- a/youtube_dl/extractor/streamcz.py
+++ b/youtube_dl/extractor/streamcz.py
@@ -43,7 +43,7 @@ class StreamCZIE(InfoExtractor):
                 if not stream.get('url'):
                     continue
                 yield {
-                    'format_id': f'{format_id}-{ext}',
+                    'format_id': '{}-{}'.format(format_id, ext),
                     'ext': ext,
                     'source_preference': pref,
                     'url': urljoin(spl_url, stream['url']),
-- 
2.22.2