From 61d3665d9da4f80c2c5cc4b6bed6a6830b29fcc3 Mon Sep 17 00:00:00 2001
From: coletdev <coletdjnz@protonmail.com>
Date: Thu, 7 Apr 2022 20:11:16 +1200
Subject: [youtube] Fix uploader for collaborative playlists (#3332)

Authored by: coletdjnz
---
 yt_dlp/extractor/common.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'yt_dlp/extractor/common.py')

diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index e2605c1f4..9914910d0 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -23,6 +23,7 @@ from ..compat import (
     compat_getpass,
     compat_http_client,
     compat_os_name,
+    compat_Pattern,
     compat_str,
     compat_urllib_error,
     compat_urllib_parse_unquote,
@@ -41,7 +42,6 @@ from ..utils import (
     base_url,
     bug_reports_message,
     clean_html,
-    compiled_regex_type,
     determine_ext,
     determine_protocol,
     dict_get,
@@ -1203,7 +1203,9 @@ class InfoExtractor(object):
         In case of failure return a default value or raise a WARNING or a
         RegexNotFoundError, depending on fatal, specifying the field name.
         """
-        if isinstance(pattern, (str, compat_str, compiled_regex_type)):
+        if string is None:
+            mobj = None
+        elif isinstance(pattern, (str, compat_Pattern)):
             mobj = re.search(pattern, string, flags)
         else:
             for p in pattern:
-- 
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