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-rw-r--r--youtube_dl/extractor/infoq.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/youtube_dl/extractor/infoq.py b/youtube_dl/extractor/infoq.py
index 9fb71e8ef..fe425e786 100644
--- a/youtube_dl/extractor/infoq.py
+++ b/youtube_dl/extractor/infoq.py
@@ -87,8 +87,8 @@ class InfoQIE(BokeCCBaseIE):
def _extract_http_audio(self, webpage, video_id):
fields = self._hidden_inputs(webpage)
- http_audio_url = fields['filename']
- if http_audio_url is None:
+ http_audio_url = fields.get('filename')
+ if not http_audio_url:
return []
cookies_header = {'Cookie': self._extract_cookies(webpage)}