Semi-newbie, rolling my own __deepcopy__

[Steven Bethard]

Michael Spencer wrote:
>     def __deepcopy__(self, memo={}):
>         from copy import deepcopy
>         result = self.__class__()
>         memo[id(self)] = result
>         result.__init__(deepcopy(tuple(self), memo))
>         return result

I know this is not your recipe, but is there any reason to use
     self.__class__()
instead of
     type(self)()
if you know you're inside a new-style class?

STeVe