[lynda] Skip invalid subtitles (closes #15159)

6 years ago · 75ba0efb52
parent f0c6c2bce2
commit 75ba0efb52
1 changed files with 3 additions and 2 deletions
--- a/youtube_dl/extractor/lynda.py
+++ b/youtube_dl/extractor/lynda.py
@ -244,8 +244,9 @@ class LyndaIE(LyndaBaseIE):
    def _get_subtitles(self, video_id):
        url = 'https://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
        subs = self._download_json(url, None, False)
-        if subs:
-            return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]}
+        fixed_subs = self._fix_subtitles(subs)
+        if fixed_subs:
+            return {'en': [{'ext': 'srt', 'data': fixed_subs}]}
        else:
            return {}