Why am I getting this warning message when running openerp 6.1 from Eclipse (Ubuntu 12.04, python 2.7) ?

2013-10-05 13:28:12,289 15476 INFO ? openerp.wsgi.core: HTTP service (werkzeug) running on 0.0.0.0:9008 /usr/lib/python2.7/dist-packages/babel/__init__.py:33: UserWarning: Module test was already imported from /media/raid2to/decindus/tools/openerp-6.1/server/openerp/test/__init__.pyc, but /usr/lib/python2.7/dist-packages is being added to sys.path from pkg_resources import get_distribution, ResolutionError