Crash al copiar un juego entre particiones wbfs

[Errante]

Traceback (most recent call last):
  File "/usr/share/wiithon/gui.py", line 1977, in termina_trabajo_copiar
    particion.refrescarEspacioLibreUsado(self.core)
  File "/usr/share/wiithon/wiitdb_schema.py", line 491, in refrescarEspacioLibreUsado
    cachos = core.getEspacioLibreUsado(self)
  File "/usr/share/wiithon/core.py", line 345, in getEspacioLibreUsado
    comando = "%s -p %s df" % (config.WBFS_APP, particion.device)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/attributes.py", line 158, in __get__
    return self.impl.get(instance_state(instance), instance_dict(instance))
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/attributes.py", line 374, in get
    value = callable_()
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/state.py", line 189, in __call__
    del self.expired_attributes
AttributeError: expired_attributes

[Carlo Mandelli (camandel)]

This error is similar to the bug #594249 (problem with USB device).
Is the same for you?