From e52e8b8111cf7ca27daef184bacd926865e951b1 Mon Sep 17 00:00:00 2001
From: dirkf <fieldhouse@gmx.net>
Date: Mon, 15 Aug 2022 16:45:04 +0100
Subject: [PATCH] [postprocessor] Don't replace existing value with null
 metadata parsed from title

---
 youtube_dl/postprocessor/metadatafromtitle.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/youtube_dl/postprocessor/metadatafromtitle.py b/youtube_dl/postprocessor/metadatafromtitle.py
index f5c14d974..6cd5bb70f 100644
--- a/youtube_dl/postprocessor/metadatafromtitle.py
+++ b/youtube_dl/postprocessor/metadatafromtitle.py
@@ -40,6 +40,8 @@ class MetadataFromTitlePP(PostProcessor):
                 % self._titleformat)
             return [], info
         for attribute, value in match.groupdict().items():
+            if value is None:
+                continue
             info[attribute] = value
             self._downloader.to_screen(
                 '[fromtitle] parsed %s: %s'