First trial from root [root at serveur ~]# python Python 2.4.3 (#1, Feb 22 2012, 16:06:13) [GCC 4.1.2 20080704 (Red Hat 4.1.2-52)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import libuser "no error there; so it found it's way to libuser" >>> print (sys.path) Traceback (most recent call last): File "<stdin>", line 1, in ? NameError: name 'sys' is not defined "here it seem that there is no path defined = = = = = = = = = = = = = = = = = = = = = = = = = = = = Second trial (non-root) /usr/michel [michel at serveur ~]$ python Python 2.4.3 (#1, Feb 22 2012, 16:06:13) [GCC 4.1.2 20080704 (Red Hat 4.1.2-52)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> inport libuser File "<stdin>", line 1 inport libuser ^ SyntaxError: invalid syntax >>> >>> >>> print(sys.path) Traceback (most recent call last): File "<stdin>", line 1, in ? NameError: name 'sys' is not defined >>> I think we are near a solution --- Michel Donais