From 17386968c7315347ef7384f1a895afbf44d0b6fe Mon Sep 17 00:00:00 2001
From: Mort Yao <soi@mort.ninja>
Date: Fri, 1 Jul 2016 20:28:03 +0200
Subject: [PATCH] [tumblr] fix #1232

---
 src/you_get/extractors/tumblr.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/you_get/extractors/tumblr.py b/src/you_get/extractors/tumblr.py
index fea061ce..0c59f25a 100644
--- a/src/you_get/extractors/tumblr.py
+++ b/src/you_get/extractors/tumblr.py
@@ -68,7 +68,7 @@ def tumblr_download(url, output_dir='.', merge=True, info_only=False, **kwargs):
         real_url = r1(r'<source src="([^"]*)"', html)
     if not real_url:
         iframe_url = r1(r'<[^>]+tumblr_video_container[^>]+><iframe[^>]+src=[\'"]([^\'"]*)[\'"]', html)
-        if len(iframe_url) > 0:
+        if iframe_url:
             iframe_html = get_content(iframe_url, headers=fake_headers)
             real_url = r1(r'<video[^>]*>[\n ]*<source[^>]+src=[\'"]([^\'"]*)[\'"]', iframe_html)
         else: