From ad6fcf2557f80069780425d5cdf5a9b9fba2bb34 Mon Sep 17 00:00:00 2001
From: Mort Yao <soi@mort.ninja>
Date: Sun, 6 Mar 2016 03:44:49 +0100
Subject: [PATCH] [infoq] fix #957

---
 src/you_get/extractors/infoq.py | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/you_get/extractors/infoq.py b/src/you_get/extractors/infoq.py
index 8214b473..cf8b59e0 100644
--- a/src/you_get/extractors/infoq.py
+++ b/src/you_get/extractors/infoq.py
@@ -40,11 +40,9 @@ class Infoq(VideoExtractor):
         ]
         request.install_opener(opener)
 
-        self.streams = {
-            'video'  : { 'url': s },
-            'audio'  : { 'url': mp3 },
-            'slides' : { 'url': pdf }
-        }
+        if s: self.streams['video'] = {'url': s }
+        if mp3: self.streams['audio'] = { 'url': mp3 }
+        if pdf: self.streams['slides'] = { 'url': pdf }
 
     def extract(self, **kwargs):
         for i in self.streams: