restricted-manager crash just after it is launched

Binary package hint: restricted-manager

Here is what I get in a console :

Traceback (most recent call last):
  File "/usr/bin/restricted-manager", line 646, in <module>
    sys.exit(main(args, opts))
  File "/usr/bin/restricted-manager", line 602, in main
    handlers = get_handlers()
  File "/usr/lib/python2.5/site-packages/RestrictedManager/core.py", line 452, in get_handlers
    specials = get_specials()
  File "/usr/lib/python2.5/site-packages/RestrictedManager/core.py", line 411, in get_specials
    rm = __import__("RestrictedManager.%s" % name)
  File "/usr/lib/python2.5/site-packages/RestrictedManager/xorg_driver.py", line 5, in <module>
    from RestrictedManager.lrm_driver import LRMDriverHandler, MANAGER_ROOT, notify_reboot_required
  File "/usr/lib/python2.5/site-packages/RestrictedManager/lrm_driver.py", line 140, in <module>
    LRMDriverHandler.load_lrmc_disabled()
  File "/usr/lib/python2.5/site-packages/RestrictedManager/lrm_driver.py", line 86, in load_lrmc_disabled
    if len(modules):
UnboundLocalError: local variable 'modules' referenced before assignment