[tudou] Avoid shadowing builtin names

youtube_dl/extractor/tudou.py

@@ -31,11 +31,11 @@ class TudouIE(InfoExtractor):
 
     _PLAYER_URL = 'http://js.tudouui.com/bin/lingtong/PortalPlayer_177.swf'
 
-    def _url_for_id(self, id, quality=None):
-        info_url = "http://v2.tudou.com/f?id=" + str(id)
+    def _url_for_id(self, video_id, quality=None):
+        info_url = "http://v2.tudou.com/f?id=" + str(video_id)
         if quality:
             info_url += '&hd' + quality
-        webpage = self._download_webpage(info_url, id, "Opening the info webpage")
+        webpage = self._download_webpage(info_url, video_id, "Opening the info webpage")
         final_url = self._html_search_regex('>(.+?)</f>', webpage, 'video url')
         return final_url