[extractor/common] Skip malformed ISM manifest XMLs while extracting ISM formats (#24667)

4 years ago · 13b08034b5
parent 6a6e1a0cd8
commit 13b08034b5
1 changed files with 2 additions and 0 deletions
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@ -2340,6 +2340,8 @@ class InfoExtractor(object):
        if res is False:
            return []
        ism_doc, urlh = res
+        if ism_doc is None:
+            return []

        return self._parse_ism_formats(ism_doc, urlh.geturl(), ism_id)