Error Couldn't load module web

[Ricardo Candia]

Buenas, e probado muchas soluciones para tratar de resolver el error en una nueva instalacion del OpenErp 7 esta en un servidor linux pero no he podido resolver este problema, si alguien ya le paso y pueda dar una mano.

2016-10-20 20:01:57,761 7006 INFO ? openerp: OpenERP version 7.0

2016-10-20 20:01:57,761 7006 INFO ? openerp: addons paths: /home/openerpserver/server/openerp/addons

2016-10-20 20:01:57,761 7006 INFO ? openerp: database hostname: localhost

2016-10-20 20:01:57,762 7006 INFO ? openerp: database port: 5432

2016-10-20 20:01:57,762 7006 INFO ? openerp: database user: ubuntu

2016-10-20 20:01:57,798 7006 CRITICAL ? openerp.modules.module: Couldn't load module web

2016-10-20 20:01:57,798 7006 CRITICAL ? openerp.modules.module: No module named traceback2

2016-10-20 20:01:57,798 7006 ERROR ? openerp.service: Failed to load server-wide module `web`.

The `web` module is provided by the addons found in the `openerp-web` project.

Maybe you forgot to add those addons in your addons_path configuration.

Traceback (most recent call last):

  File "/home/openerpserver/server/openerp/service/__init__.py", line 60, in load_server_wide_modules

    openerp.modules.module.load_openerp_module(m)

  File "/home/openerpserver/server/openerp/modules/module.py", line 405, in load_openerp_module

    __import__('openerp.addons.' + module_name)

  File "/home/openerpserver/server/openerp/modules/module.py", line 133, in load_module

    mod = imp.load_module('openerp.addons.' + module_part, f, path, descr)

  File "/home/openerpserver/server/openerp/addons/web/__init__.py", line 3, in <module>

    import cli

  File "/home/openerpserver/server/openerp/addons/web/cli/__init__.py", line 1, in <module>

    import test_js

  File "/home/openerpserver/server/openerp/addons/web/cli/test_js.py", line 5, in <module>

    import unittest2

  File "/usr/local/lib/python2.7/dist-packages/unittest2-1.1.0-py2.7.egg/unittest2/__init__.py", line 40, in <module>

    from unittest2.collector import collector

  File "/usr/local/lib/python2.7/dist-packages/unittest2-1.1.0-py2.7.egg/unittest2/collector.py", line 3, in <module>

    from unittest2.loader import defaultTestLoader

  File "/usr/local/lib/python2.7/dist-packages/unittest2-1.1.0-py2.7.egg/unittest2/loader.py", line 13, in <module>

    from unittest2 import case, suite, util

  File "/usr/local/lib/python2.7/dist-packages/unittest2-1.1.0-py2.7.egg/unittest2/case.py", line 10, in <module>

    import traceback2 as traceback

ImportError: No module named traceback2

2016-10-20 20:01:57,802 7006 INFO ? openerp: OpenERP server is running, waiting for connections...

2016-10-20 20:01:57,803 7006 INFO ? openerp.service.wsgi_server: HTTP service (werkzeug) running on 0.0.0.0:8069