> I'd propose this fix:
> > 
> > -            args = args + v
> > +            args = args + [x for x in search_matches]
> > 
> > as the intention of the original patch was to use 'in' so any container 
> > type would be possible. Richard, how does this look ?

If it is ok, I think there are a few less complicated spellings, such
as

   args = args + list(search_matches)
   args.extend(search_matches)