Checking contrib/
Checking configuration files
Syncronizing database
Traceback (most recent call last):
  File "manage.py", line 41, in <module>
    execute_manager(settings)
  File "/usr/local/noc/contrib/lib/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/usr/local/noc/contrib/lib/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/noc/contrib/lib/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/local/noc/contrib/lib/django/core/management/base.py", line 219, in execute
    self.validate()
  File "/usr/local/noc/contrib/lib/django/core/management/base.py", line 249, in validate
    num_errors = get_validation_errors(s, app)
  File "/usr/local/noc/contrib/lib/django/core/management/validation.py", line 35, in get_validation_errors
    for (app_name, error) in get_app_errors().items():
  File "/usr/local/noc/contrib/lib/django/db/models/loading.py", line 146, in get_app_errors
    self._populate()
  File "/usr/local/noc/contrib/lib/django/db/models/loading.py", line 64, in _populate
    self.load_app(app_name)
  File "/usr/local/noc/contrib/lib/django/db/models/loading.py", line 78, in load_app
    models = import_module('.models', app_name)
  File "/usr/local/noc/contrib/lib/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/usr/local/noc/main/models.py", line 27, in <module>
    from mongoengine.django.sessions import MongoSession
  File "/usr/local/noc/contrib/lib/mongoengine-0.6.1-py2.7.egg/mongoengine/__init__.py", line 1, in <module>
    import document
  File "/usr/local/noc/contrib/lib/mongoengine-0.6.1-py2.7.egg/mongoengine/document.py", line 4, in <module>
    from mongoengine import signals
ImportError: cannot import name signals
post-update: 59: syncdb failed
Terminating