From bea7af694748f3d731ab4340539251f2daf5cc10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Thu, 23 Mar 2017 23:58:12 +0700
Subject: [PATCH] [channel9] Remove expired comment and sort imports

---
 youtube_dl/extractor/channel9.py | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/youtube_dl/extractor/channel9.py b/youtube_dl/extractor/channel9.py
index 717e4eb3b..e92894246 100644
--- a/youtube_dl/extractor/channel9.py
+++ b/youtube_dl/extractor/channel9.py
@@ -4,23 +4,16 @@ import re
 
 from .common import InfoExtractor
 from ..utils import (
+    clean_html,
     ExtractorError,
-    unescapeHTML,
     int_or_none,
     parse_iso8601,
-    clean_html,
     qualities,
+    unescapeHTML,
 )
 
 
 class Channel9IE(InfoExtractor):
-    '''
-    Common extractor for channel9.msdn.com.
-
-    The type of provided URL (video or playlist) is determined according to
-    meta Search.PageType from web page HTML rather than URL itself, as it is
-    not always possible to do.
-    '''
     IE_DESC = 'Channel 9'
     IE_NAME = 'channel9'
     _VALID_URL = r'https?://(?:www\.)?(?:channel9\.msdn\.com|s\.ch9\.ms)/(?P<contentpath>.+?)(?P<rss>/RSS)?/?(?:[?#&]|$)'