Hello, I tryed to do open a shelve file created with Python 2.1 (CPython or Cython or ... ? I mean the original one) in Jython 2.1 and I received this error in ..\Lib\anydbm.py, line 85, in open If somebody has an explanation (bug ? specification, todo ? ...) and even better a workaround, I will be happy. Anyway, have a nice day. B.