Commcare error on installation on local server

Hi Everyone im receiving the following error during installation of commcare
on my ubuntu 12.0.4

(commcare-hq)patrick@patrick-vbox:~/commcare-hq$ ./manage.py validate
Traceback (most recent call last):
File “./manage.py”, line 65, in
execute_from_command_line(sys.argv)
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/core/management/init.py",
line 453, in execute_from_command_line
utility.execute()
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/core/management/init.py",
line 392, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/core/management/init.py",
line 263, in fetch_command
app_name = get_commands()[subcommand]
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/core/management/init.py",
line 109, in get_commands
apps = settings.INSTALLED_APPS
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/conf/init.py",
line 53, in getattr
self._setup(name)
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/conf/init.py",
line 49, in _setup
self._configure_logging()
File
"/home/patrick/.virtualenvs/commcare-hq/local/lib/python2.7/site-packages/django/conf/init.py",
line 84, in _configure_logging
logging_config_func(self.LOGGING)
File “/usr/lib/python2.7/logging/config.py”, line 777, in dictConfig
dictConfigClass(config).configure()
File “/usr/lib/python2.7/logging/config.py”, line 575, in configure
’%r: %s’ % (name, e))
ValueError: Unable to configure handler ‘couchlog’: Cannot resolve
’couchlog.handlers.CouchHandler’: No module named couchlog
(commcare-hq)patrick@patrick-vbox:~/commcare-hq$