When skimming through the source code of SubDownloader,
I see that it uses an undocumented argument 'no_update' of TryUploadSubtitles.
http://bazaar.launchpad.net/~subdownloa ... ce.py#L550
See http://bazaar.launchpad.net/~subdownloa ... ew.py#L117
Is this argument still supported or a bug?