When i start my server, in the log write the next message, i install python-suds packege but continue with the problem, what i can do?

2015-06-24 16:22:55,146 854 ERROR ? werkzeug: Error on request:

Traceback (most recent call last):

File "/home/odoo/odoo/lib/python2.7/site-packages/werkzeug/serving.py", line 180, in run_wsgi

execute(self.server.app)

File "/home/odoo/odoo/lib/python2.7/site-packages/werkzeug/serving.py", line 168, in execute

application_iter = app(environ, start_response)

File "/opt/odoo/openerp/service/server.py", line 285, in app

return self.app(e, s)

File "/opt/odoo/openerp/service/wsgi_server.py", line 216, in application

return application_unproxied(environ, start_response)

File "/opt/odoo/openerp/service/wsgi_server.py", line 202, in application_unproxied

result = handler(environ, start_response)

File "/opt/odoo/openerp/http.py", line 1289, in __call__

self.load_addons()

File "/opt/odoo/openerp/http.py", line 1308, in load_addons

m = __import__('openerp.addons.' + module)

File "/opt/odoo/openerp/modules/module.py", line 80, in load_module

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

File "/home/odoo/.local/share/Odoo/addons/8.0/avalara_salestax/__init__.py", line 24, in <module>

import partner

File "/home/odoo/.local/share/Odoo/addons/8.0/avalara_salestax/partner.py", line 28, in <module>

from avalara_api import AvaTaxService, BaseAddress

File "/home/odoo/.local/share/Odoo/addons/8.0/avalara_salestax/avalara_api.py", line 1, in <module>

import suds

ImportError: No module named suds

I have installed odoo 8 on CentOs with python 2.6.