Traceback (most recent call last):
  File "manage.py", line 41, in <module>
    execute_manager(settings)
  File "/opt/noc/contrib/lib/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/opt/noc/contrib/lib/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/opt/noc/contrib/lib/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/opt/noc/contrib/lib/django/core/management/base.py", line 219, in execute
    self.validate()
  File "/opt/noc/contrib/lib/django/core/management/base.py", line 249, in validate
    num_errors = get_validation_errors(s, app)
  File "/opt/noc/contrib/lib/django/core/management/validation.py", line 35, in get_validation_errors
    for (app_name, error) in get_app_errors().items():
  File "/opt/noc/contrib/lib/django/db/models/loading.py", line 146, in get_app_errors
    self._populate()
  File "/opt/noc/contrib/lib/django/db/models/loading.py", line 64, in _populate
    self.load_app(app_name)
  File "/opt/noc/contrib/lib/django/db/models/loading.py", line 78, in load_app
    models = import_module('.models', app_name)
  File "/opt/noc/contrib/lib/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/opt/noc/inv/models/__init__.py", line 14, in <module>
    from noc.sa.models import ManagedObject, ManagedObjectSelector
  File "/opt/noc/sa/models/__init__.py", line 24, in <module>
    from managedobject import ManagedObject, ManagedObjectAttribute
  File "/opt/noc/sa/models/managedobject.py", line 392, in <module>
    from reducetask import ReduceTask, reduce_object_script
  File "/opt/noc/sa/models/reducetask.py", line 23, in <module>
    from managedobjectselector import ManagedObjectSelector
  File "/opt/noc/sa/models/managedobjectselector.py", line 19, in <module>
    from useraccess import UserAccess
  File "/opt/noc/sa/models/useraccess.py", line 15, in <module>
    from managedobjectselector import ManagedObjectSelector
ImportError: cannot import name ManagedObjectSelector
post-update: 59: syncdb failed