if you start 'grass65 -gui' then select the location wizard you get this
error:
{{{
Traceback (most recent call last):
File "[...]/dist.x86_64-unknown-linux-gnu/etc/wxpython/gis_set.py", line 388, in OnWizard
from gui_modules import location_wizard
ImportError: No module named gui_modules
}}}
Traceback (most recent call last):
File "[...]/dist.x86_64-unknown-linux-gnu/etc/wxpython/gis_set.py", line 388, in OnWizard
from gui_modules import location_wizard
ImportError: No module named gui_modules