Logged In: YES 
user_id=1081664

Running the attached code ( from ~/src, not ~/src/pybug) we
see that the contents of the cache are incorrect).

timl@newton:~/src$ tar -zxvf pybug.tar.gz 
pybug/
pybug/pkg1/
pybug/pkg1/__init__.py
pybug/pkg2/
pybug/pkg2/__init__.py
pybug/bug.py
timl@newton:~/src$ python pybug/bug.py 
{'pkg2/__init__.py': (217L, 1051027884, ['#\n', '# The
Python Imaging Library.\n', '# $Id:
//modules/pil/PIL/__init__.py#2 $\n', '#\n', '# package
placeholder\n', '#\n', '# Copyright (c) 1999 by Secret Labs
AB.\n', '#\n', '# See the README file for information on
usage and redistribution.\n', '#\n', '\n', '# ;-)\n'],
'/usr/lib/python2.3/site-packages/PIL/__init__.py'),
'pkg1/__init__.py': (217L, 1051027884, ['#\n', '# The Python
Imaging Library.\n', '# $Id: //modules/pil/PIL/__init__.py#2
$\n', '#\n', '# package placeholder\n', '#\n', '# Copyright
(c) 1999 by Secret Labs AB.\n', '#\n', '# See the README
file for information on usage and redistribution.\n', '#\n',
'\n', '# ;-)\n'],
'/usr/lib/python2.3/site-packages/PIL/__init__.py')}
timl@newton:~/src$