Fresh installed odoo 12 in ubuntu 18.04.4

I think have a problem for new update of ubuntu 18.04.4 before works fine

 -bash: cd: /oprt: No such file or directory
root@vmi340591:/opt/odoo/odoo/odoo# cd /opt
root@vmi340591:/opt# ./start.sh
root@vmi340591:/opt# Traceback (most recent call last):
File "/opt/odoo/odoo/odoo/odoo-bin", line 5, in <module>
import odoo
File "/opt/odoo/odoo/odoo/odoo/__init__.py", line 129, in <module>
from . import service
File "/opt/odoo/odoo/odoo/odoo/service/__init__.py", line 7, in <module>
from . import wsgi_server
File "/opt/odoo/odoo/odoo/odoo/service/wsgi_server.py", line 25, in <module>
import werkzeug.contrib.fixers
ModuleNotFoundError: No module named 'werkzeug.contrib'