fix https://www.logilab.net/cwo/ticket/481727
the pb lies more in sqlite library, since it's fixed by opening the
sqlite database using an absolute path.
"""cube-specific forms/views/actions/components
:organization: Logilab
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""