Where are you seeing the getmtime() implementation in your installation? (what module?)

os.path is a synonym for the module ntpath Python 1.5.2 (#0, Oct 11 1999, 09:59:20) [MSC 32 bit (Intel)] on win32 Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam

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import os.path dir(os.path) ['__builtins__', '__doc__', '__file__', '__name__', 'abspath', 'basename', 'comm onprefix', 'dirname', 'exists', 'expanduser', 'expandvars', 'getatime', 'getmtim e', 'getsize', 'isabs', 'isdir', 'isfile', 'islink', 'ismount', 'join', 'normcas e', 'normpath', 'os', 'split', 'splitdrive', 'splitext', 'splitunc', 'stat', 'st ring', 'varchars', 'walk'] os.path <module 'ntpath' from 'd:\python\lib\ntpath.pyc'>