diff --git a/youtube_dl/extractor/changba.py b/youtube_dl/extractor/changba.py
index a4ea5f680..2a3e8aef3 100644
--- a/youtube_dl/extractor/changba.py
+++ b/youtube_dl/extractor/changba.py
@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 
 from .common import InfoExtractor
 
-import re
 
 class ChangbaIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?changba\.com/s/(?P<id>[0-9A-Za-z-_]+)'
@@ -15,8 +14,7 @@ class ChangbaIE(InfoExtractor):
             'ext': 'mp4',
             'title': '对你爱不完【炫酷慢摇】 ',
         }
-    },
-    {
+    }, {
         'url': 'http://changba.com/s/nZqfbS_vCnieNNjJ7UiEGw?',
         'md5': 'e401463ffb03ed8900a0bccc641335e1',
         'info_dict': {
@@ -24,8 +22,7 @@ class ChangbaIE(InfoExtractor):
             'ext': 'mp3',
             'title': '下雪 ',
         }
-    },
-    {
+    }, {
         'url': 'http://changba.com/s/CPiNWbAa1qy0po0llqIJbg',
         'md5': '7adcc9afb85ace8ff854bdd0e8567f50',
         'info_dict': {
@@ -33,8 +30,7 @@ class ChangbaIE(InfoExtractor):
             'ext': 'mp3',
             'title': '红豆 ',
         }
-    },
-    {
+    }, {
         'url': 'http://changba.com/s/-N00JJ30YruunrER5eBcWw',
         'md5': 'cd68f8da8d8c69afbb8e4dbbbfa8b277',
         'info_dict': {