[cinchcast] Wrap overly long lines (#4820)

youtube_dl/extractor/cinchcast.py

@@ -28,7 +28,10 @@ class CinchcastIE(InfoExtractor):
             item, './{http://developer.longtailvideo.com/trac/}date')
         upload_date = unified_strdate(date_str, day_first=False)
         # duration is present but wrong
-        formats = [{'format_id': 'main', 'url': item.find('./{http://search.yahoo.com/mrss/}content').attrib['url']}]
+        formats = [{
+            'format_id': 'main',
+            'url': item.find('./{http://search.yahoo.com/mrss/}content').attrib['url'],
+        }]
         backup_url = xpath_text(
             item, './{http://developer.longtailvideo.com/trac/}backupContent')
         if backup_url: