[StreamCZ] Fix extractor (#3789)

Closes #3579 Authored by: dirkf, adamanldo
3 years ago · 854b0d325e
parent 79c318937b
commit 854b0d325e
1 changed files with 2 additions and 2 deletions
--- a/yt_dlp/extractor/streamcz.py
+++ b/yt_dlp/extractor/streamcz.py
@ -52,8 +52,8 @@ class StreamCZIE(InfoExtractor):

    def _extract_formats(self, spl_url, video):
        for ext, pref, streams in (
-                ('ts', -1, traverse_obj(video, ('http_stream', 'qualities'))),
-                ('mp4', 1, video.get('mp4'))):
+                ('ts', -1, traverse_obj(video, ('http_stream', 'qualities')) or {}),
+                ('mp4', 1, video.get('mp4') or {})):
            for format_id, stream in streams.items():
                if not stream.get('url'):
                    continue