On Sat, May 23, 2009 at 1:46 AM, Georg Brandl <g.brandl at gmx.net> wrote: >> >> os.listdir(os.curdir) <-> os.listdir() > > This seems to be a nice case of EIBTI to me. I would rather call that a default behavior, otherwise every function with arguments that have default values would be nice cases of EIBTI.