-        id = mobj.group(1)
-        webpage = self._download_webpage(url, id)
-        embed_url = self._html_search_regex(r'"(https://www.wat.tv/embedframe/.*?)"',
-                                webpage, 'embed url')
-        embed_page = self._download_webpage(embed_url, id, u'Downloading embed player page')
+        video_id = mobj.group('id')
+        webpage = self._download_webpage(url, video_id)
+        embed_url = self._html_search_regex(
+            r'"(https://www.wat.tv/embedframe/.*?)"', webpage, 'embed url')
+        embed_page = self._download_webpage(embed_url, video_id,
+                                            'Downloading embed player page')