From e8117f28dbea78c9306b07d610af6c617769d0c0 Mon Sep 17 00:00:00 2001
From: bashonly <bashonly@protonmail.com>
Date: Wed, 30 Apr 2025 01:51:18 -0500
Subject: [PATCH] require `PTMD URL` in `_extract_fallback`

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

diff --git a/yt_dlp/extractor/zdf.py b/yt_dlp/extractor/zdf.py
index f9c021365a..9c32dfed5b 100644
--- a/yt_dlp/extractor/zdf.py
+++ b/yt_dlp/extractor/zdf.py
@@ -20,7 +20,7 @@ from ..utils import (
     urljoin,
     variadic,
 )
-from ..utils.traversal import traverse_obj
+from ..utils.traversal import require, traverse_obj
 
 
 class ZDFBaseIE(InfoExtractor):
@@ -494,7 +494,7 @@ query VideoByCanonical($canonical: String!) {
 
         ptmd_url = traverse_obj(document, (
             ('streamApiUrlAndroid', ('streams', 0, 'streamApiUrlAndroid')),
-            {url_or_none}, any))
+            {url_or_none}, any, {require('PTMD URL')}))
         ptmd_data = self._extract_ptmd_urls(ptmd_url, document_id, self._get_api_token())
 
         thumbnails = []