*** copy.py.orig	Wed Mar 13 18:42:32 2002
--- copy.py	Sun May 26 12:28:47 2002
***************
*** 164,180 ****
          copierfunction = _deepcopy_dispatch[type(x)]
      except KeyError:
          try:
!             copier = x.__deepcopy__
!         except AttributeError:
              try:
!                 reductor = x.__reduce__
              except AttributeError:
!                 raise error, \
!                       "un-deep-copyable object of type %s" % type(x)
              else:
!                 y = _reconstruct(x, reductor(), 1, memo)
!         else:
!             y = copier(memo)
      else:
          y = copierfunction(x, memo)
      memo[d] = y
--- 164,187 ----
          copierfunction = _deepcopy_dispatch[type(x)]
      except KeyError:
          try:
!             issc = issubclass(type(x), type)
!         except TypeError:
!             issc = 0
!         if issc:
!             y = _deepcopy_dispatch[type](x, memo)
!         else:
              try:
!                 copier = x.__deepcopy__
              except AttributeError:
!                 try:
!                     reductor = x.__reduce__
!                 except AttributeError:
!                     raise error, \
!                        "un-deep-copyable object of type %s" % type(x)
!                 else:
!                     y = _reconstruct(x, reductor(), 1, memo)
              else:
!                 y = copier(memo)
      else:
          y = copierfunction(x, memo)
      memo[d] = y