Here are results for python >>> import lbserver. First one is 'ltsp-cluster-lbserver_2.0.0-0ubuntu2_all.deb', secaond one is 'ltsp-cluster-lbserver_2.0.0-0ubuntu3_all.deb'. ----- root@lubuntu-root:~# python -v # installing zipimport hook import zipimport # builtin # installed zipimport hook # /usr/lib/python2.7/site.pyc matches /usr/lib/python2.7/site.py import site # precompiled from /usr/lib/python2.7/site.pyc # /usr/lib/python2.7/os.pyc matches /usr/lib/python2.7/os.py import os # precompiled from /usr/lib/python2.7/os.pyc import errno # builtin import posix # builtin # /usr/lib/python2.7/posixpath.pyc matches /usr/lib/python2.7/posixpath.py import posixpath # precompiled from /usr/lib/python2.7/posixpath.pyc # /usr/lib/python2.7/stat.pyc matches /usr/lib/python2.7/stat.py import stat # precompiled from /usr/lib/python2.7/stat.pyc # /usr/lib/python2.7/genericpath.pyc matches /usr/lib/python2.7/genericpath.py import genericpath # precompiled from /usr/lib/python2.7/genericpath.pyc # /usr/lib/python2.7/warnings.pyc matches /usr/lib/python2.7/warnings.py import warnings # precompiled from /usr/lib/python2.7/warnings.pyc # /usr/lib/python2.7/linecache.pyc matches /usr/lib/python2.7/linecache.py import linecache # precompiled from /usr/lib/python2.7/linecache.pyc # /usr/lib/python2.7/types.pyc matches /usr/lib/python2.7/types.py import types # precompiled from /usr/lib/python2.7/types.pyc # /usr/lib/python2.7/UserDict.pyc matches /usr/lib/python2.7/UserDict.py import UserDict # precompiled from /usr/lib/python2.7/UserDict.pyc # /usr/lib/python2.7/_abcoll.pyc matches /usr/lib/python2.7/_abcoll.py import _abcoll # precompiled from /usr/lib/python2.7/_abcoll.pyc # /usr/lib/python2.7/abc.pyc matches /usr/lib/python2.7/abc.py import abc # precompiled from /usr/lib/python2.7/abc.pyc # /usr/lib/python2.7/_weakrefset.pyc matches /usr/lib/python2.7/_weakrefset.py import _weakrefset # precompiled from /usr/lib/python2.7/_weakrefset.pyc import _weakref # builtin # /usr/lib/python2.7/copy_reg.pyc matches /usr/lib/python2.7/copy_reg.py import copy_reg # precompiled from /usr/lib/python2.7/copy_reg.pyc # /usr/lib/python2.7/traceback.pyc matches /usr/lib/python2.7/traceback.py import traceback # precompiled from /usr/lib/python2.7/traceback.pyc # /usr/lib/python2.7/sysconfig.pyc matches /usr/lib/python2.7/sysconfig.py import sysconfig # precompiled from /usr/lib/python2.7/sysconfig.pyc # /usr/lib/python2.7/re.pyc matches /usr/lib/python2.7/re.py import re # precompiled from /usr/lib/python2.7/re.pyc # /usr/lib/python2.7/sre_compile.pyc matches /usr/lib/python2.7/sre_compile.py import sre_compile # precompiled from /usr/lib/python2.7/sre_compile.pyc import _sre # builtin # /usr/lib/python2.7/sre_parse.pyc matches /usr/lib/python2.7/sre_parse.py import sre_parse # precompiled from /usr/lib/python2.7/sre_parse.pyc # /usr/lib/python2.7/sre_constants.pyc matches /usr/lib/python2.7/sre_constants.py import sre_constants # precompiled from /usr/lib/python2.7/sre_constants.pyc # /usr/lib/python2.7/sitecustomize.pyc matches /usr/lib/python2.7/sitecustomize.py import sitecustomize # precompiled from /usr/lib/python2.7/sitecustomize.pyc import encodings # directory /usr/lib/python2.7/encodings # /usr/lib/python2.7/encodings/__init__.pyc matches /usr/lib/python2.7/encodings/__init__.py import encodings # precompiled from /usr/lib/python2.7/encodings/__init__.pyc # /usr/lib/python2.7/codecs.pyc matches /usr/lib/python2.7/codecs.py import codecs # precompiled from /usr/lib/python2.7/codecs.pyc import _codecs # builtin # /usr/lib/python2.7/encodings/aliases.pyc matches /usr/lib/python2.7/encodings/aliases.py import encodings.aliases # precompiled from /usr/lib/python2.7/encodings/aliases.pyc # /usr/lib/python2.7/encodings/utf_8.pyc matches /usr/lib/python2.7/encodings/utf_8.py import encodings.utf_8 # precompiled from /usr/lib/python2.7/encodings/utf_8.pyc Python 2.7.2+ (default, Feb 16 2012, 18:29:42) [GCC 4.6.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. dlopen("/usr/lib/python2.7/lib-dynload/readline.so", 2); import readline # dynamically loaded from /usr/lib/python2.7/lib-dynload/readline.so >>> import lbserver import lbserver # directory /usr/lib/python2.7/dist-packages/lbserver # /usr/lib/python2.7/dist-packages/lbserver/__init__.pyc matches /usr/lib/python2.7/dist-packages/lbserver/__init__.py import lbserver # precompiled from /usr/lib/python2.7/dist-packages/lbserver/__init__.pyc >>> ----- root@lubuntu-root:~# python -v # installing zipimport hook import zipimport # builtin # installed zipimport hook # /usr/lib/python2.7/site.pyc matches /usr/lib/python2.7/site.py import site # precompiled from /usr/lib/python2.7/site.pyc # /usr/lib/python2.7/os.pyc matches /usr/lib/python2.7/os.py import os # precompiled from /usr/lib/python2.7/os.pyc import errno # builtin import posix # builtin # /usr/lib/python2.7/posixpath.pyc matches /usr/lib/python2.7/posixpath.py import posixpath # precompiled from /usr/lib/python2.7/posixpath.pyc # /usr/lib/python2.7/stat.pyc matches /usr/lib/python2.7/stat.py import stat # precompiled from /usr/lib/python2.7/stat.pyc # /usr/lib/python2.7/genericpath.pyc matches /usr/lib/python2.7/genericpath.py import genericpath # precompiled from /usr/lib/python2.7/genericpath.pyc # /usr/lib/python2.7/warnings.pyc matches /usr/lib/python2.7/warnings.py import warnings # precompiled from /usr/lib/python2.7/warnings.pyc # /usr/lib/python2.7/linecache.pyc matches /usr/lib/python2.7/linecache.py import linecache # precompiled from /usr/lib/python2.7/linecache.pyc # /usr/lib/python2.7/types.pyc matches /usr/lib/python2.7/types.py import types # precompiled from /usr/lib/python2.7/types.pyc # /usr/lib/python2.7/UserDict.pyc matches /usr/lib/python2.7/UserDict.py import UserDict # precompiled from /usr/lib/python2.7/UserDict.pyc # /usr/lib/python2.7/_abcoll.pyc matches /usr/lib/python2.7/_abcoll.py import _abcoll # precompiled from /usr/lib/python2.7/_abcoll.pyc # /usr/lib/python2.7/abc.pyc matches /usr/lib/python2.7/abc.py import abc # precompiled from /usr/lib/python2.7/abc.pyc # /usr/lib/python2.7/_weakrefset.pyc matches /usr/lib/python2.7/_weakrefset.py import _weakrefset # precompiled from /usr/lib/python2.7/_weakrefset.pyc import _weakref # builtin # /usr/lib/python2.7/copy_reg.pyc matches /usr/lib/python2.7/copy_reg.py import copy_reg # precompiled from /usr/lib/python2.7/copy_reg.pyc # /usr/lib/python2.7/traceback.pyc matches /usr/lib/python2.7/traceback.py import traceback # precompiled from /usr/lib/python2.7/traceback.pyc # /usr/lib/python2.7/sysconfig.pyc matches /usr/lib/python2.7/sysconfig.py import sysconfig # precompiled from /usr/lib/python2.7/sysconfig.pyc # /usr/lib/python2.7/re.pyc matches /usr/lib/python2.7/re.py import re # precompiled from /usr/lib/python2.7/re.pyc # /usr/lib/python2.7/sre_compile.pyc matches /usr/lib/python2.7/sre_compile.py import sre_compile # precompiled from /usr/lib/python2.7/sre_compile.pyc import _sre # builtin # /usr/lib/python2.7/sre_parse.pyc matches /usr/lib/python2.7/sre_parse.py import sre_parse # precompiled from /usr/lib/python2.7/sre_parse.pyc # /usr/lib/python2.7/sre_constants.pyc matches /usr/lib/python2.7/sre_constants.py import sre_constants # precompiled from /usr/lib/python2.7/sre_constants.pyc # /usr/lib/python2.7/sitecustomize.pyc matches /usr/lib/python2.7/sitecustomize.py import sitecustomize # precompiled from /usr/lib/python2.7/sitecustomize.pyc import encodings # directory /usr/lib/python2.7/encodings # /usr/lib/python2.7/encodings/__init__.pyc matches /usr/lib/python2.7/encodings/__init__.py import encodings # precompiled from /usr/lib/python2.7/encodings/__init__.pyc # /usr/lib/python2.7/codecs.pyc matches /usr/lib/python2.7/codecs.py import codecs # precompiled from /usr/lib/python2.7/codecs.pyc import _codecs # builtin # /usr/lib/python2.7/encodings/aliases.pyc matches /usr/lib/python2.7/encodings/aliases.py import encodings.aliases # precompiled from /usr/lib/python2.7/encodings/aliases.pyc # /usr/lib/python2.7/encodings/utf_8.pyc matches /usr/lib/python2.7/encodings/utf_8.py import encodings.utf_8 # precompiled from /usr/lib/python2.7/encodings/utf_8.pyc Python 2.7.2+ (default, Feb 16 2012, 18:29:42) [GCC 4.6.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. dlopen("/usr/lib/python2.7/lib-dynload/readline.so", 2); import readline # dynamically loaded from /usr/lib/python2.7/lib-dynload/readline.so >>> import lbserver Traceback (most recent call last): File "", line 1, in ImportError: No module named lbserver >>> ----- Best Regards Asmo Koskinen.