Fix to for completing tasks.
Fix to for completing tasks.

This should ensure that tasks get completed when we have
complete=True, but no action.  This can happen in the real world if
users add subtitles via the API.

ReachingOut/unisubs,ReachingOut/unisubs,eloquence/unisubs,eloquence/unisubs,eloquence/unisubs,norayr/unisubs,ofer43211/unisubs,ReachingOut/unisubs,norayr/unisubs,wevoice/wesub,eloquence/unisubs,pculture/unisubs,pculture/unisubs,wevoice/wesub,ofer43211/unisubs,pculture/unisubs,ofer43211/unisubs,wevoice/wesub,ReachingOut/unisubs,wevoice/wesub,norayr/unisubs,ofer43211/unisubs,pculture/unisubs,norayr/unisubs