diff --git a/youtube_dl/extractor/w24at.py b/youtube_dl/extractor/w24at.py
index eabe81349..b273c4a57 100644
--- a/youtube_dl/extractor/w24at.py
+++ b/youtube_dl/extractor/w24at.py
@@ -1,5 +1,6 @@
 # coding: utf-8
 from __future__ import unicode_literals
+
 import re
 
 from .common import InfoExtractor