Logged In: NO 

Just to provide a more detailed and easily repeatable form of the error message for the record:

$ /opt/python25/python/bin/python /software/virtualenv/virtualenv.py --no-site-packages /path/to/roundup-sandbox
New python executable in ./bin/python
Installing setuptools............done.

/path/to/roundup-sandbox $ source bin/activate

(roundup-sandbox) $ easy_install roundup
Searching for roundup
Reading http://pypi.python.org/simple/roundup/
Reading http://roundup.sourceforge.net/
Reading http://sourceforge.net/project/showfiles.php?group_id=31577
Reading http://sourceforge.net/projects/roundup/
Best match: roundup 1.4.4
Downloading http://pypi.python.org/packages/source/r/roundup/roundup-1.4.4.tar.gz#md5=6a9f6fc272d833ef0179b00e63010a08
Processing roundup-1.4.4.tar.gz
Running roundup-1.4.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-Q8Q2JV/roundup-1.4.4/egg-dist-tmp-cckDgq
warning: no previously-included files matching '.cvsignore' found anywhere in distribution
warning: no previously-included files matching '*.pyo' found anywhere in distribution
warning: no previously-included files matching '.DS_Store' found anywhere in distribution
warning: no previously-included files found matching 'BUILD.txt'
warning: no previously-included files found matching 'I18N_PROGRESS.txt'
warning: no previously-included files found matching 'TODO.txt'
warning: no previously-included files found matching 'doc/security.txt'
warning: no previously-included files found matching 'doc/templating.txt'
warning: no files found matching 'locale/*.mo'
error: Setup script exited with error: can't copy 'build/share/locale/hu/LC_MESSAGES/roundup.mo': doesn't exist or not a regular file