i did that and still nothing happens

here is the xterm result


/home/user # canola -vv
1223453775.4240 INFO manager:48:_load_config() loaded terra config '/etc/canola.conf'
1223453775.5755 INFO manager:65:_setup_plugin_manager() plugin manager up and running
1223453775.5796 DEBUG manager:156:get_class() looking for first class with filter 'SystemProperties'1223453775.5841 DEBUG manager:114:get_classes() looking for classes with filter 'SystemProperties'
1223453775.7799 DEBUG manager:156:get_class() looking for first class with filter 'Model/System/Battery'
1223453775.7839 DEBUG manager:114:get_classes() looking for classes with filter 'Model/System/Battery'
1223453775.7882 DBG_W plugin_manager:166:load() no plugin implements filter 'Model/System/Battery'
1223453775.8560 DBG_E plugin_manager:151:_load_plugins() [No plugin found with filter 'Model/System/Battery'] while loading plugin 'Maemo System', skipping it ...
Traceback (most recent call last):
File "python-terra/core/plugin_manager.py", line 148, in _load_plugins
File "python-terra/core/plugin_manager.py", line 91, in load
File "python-terra/core/module_loader.py", line 37, in load
File "canola/maemo/system.py", line 33, in <module>
File "python-terra/core/manager.py", line 157, in get_class
File "python-terra/core/manager.py", line 123, in get_classes
ValueError: No plugin found with filter 'Model/System/Battery'
Traceback (most recent call last):
File "/usr/bin/canola", line 236, in <module>
setup_dot_canola()
File "/usr/bin/canola", line 74, in setup_dot_canola
system_props = mger.get_class("SystemProperties")() # XXX
File "python-terra/core/manager.py", line 157, in get_class
File "python-terra/core/manager.py", line 123, in get_classes
ValueError: No plugin found with filter 'SystemProperties'
/home/user #