From 7356a44443995d83c59b915186b6a719769eab60 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Tue, 2 Aug 2022 20:29:09 +0530
Subject: [PATCH] Fix misleading DRM message

Closes #4534
---
 yt_dlp/YoutubeDL.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 7ee83ed4a..0d7564088 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -2488,7 +2488,7 @@ def sanitize_numeric_fields(info):
         info_dict['_has_drm'] = any(f.get('has_drm') for f in formats) or None
         if not self.params.get('allow_unplayable_formats'):
             formats = [f for f in formats if not f.get('has_drm')]
-            if info_dict['_has_drm'] and all(
+            if info_dict['_has_drm'] and formats and all(
                     f.get('acodec') == f.get('vcodec') == 'none' for f in formats):
                 self.report_warning(
                     'This video is DRM protected and only images are available for download. '