Merge pull request #4501 from AndroKev/master

only add video-id to archive, when successful

youtube_dl/YoutubeDL.py

@@ -1149,9 +1149,9 @@ class YoutubeDL(object):
                 except (PostProcessingError) as err:
                     self.report_error('postprocessing: %s' % str(err))
                     return
-
                 self.record_download_archive(info_dict)
 
+
     def download(self, url_list):
         """Download a given list of URLs."""
         outtmpl = self.params.get('outtmpl', DEFAULT_OUTTMPL)