$ python manage.py syncdb
Traceback (most recent call last):
  File "manage.py", line 11, in <module>
    execute_manager(settings)
  File "/usr/lib/python2.5/site-packages/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/usr/lib/python2.5/site-packages/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib/python2.5/site-packages/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/lib/python2.5/site-packages/django/core/management/base.py", line 217, in execute
    self.validate()
  File "/usr/lib/python2.5/site-packages/django/core/management/base.py", line 245, in validate
    num_errors = get_validation_errors(s, app)
  File "/usr/lib/python2.5/site-packages/django/core/management/validation.py", line 28, in get_validation_errors
    for (app_name, error) in get_app_errors().items():
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py", line 146, in get_app_errors
    self._populate()
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py", line 64, in _populate
    self.load_app(app_name)
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py", line 78, in load_app
    models = import_module('.models', app_name)
  File "/usr/lib/python2.5/site-packages/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/home/tlan/dev/fxistore/src/fxistore/app/models.py", line 2, in <module>
    from fxistore.card.models import Card
  File "/home/tlan/dev/fxistore/src/fxistore/../fxistore/card/models.py", line 4, in <module>
    from fxistore.helpers.macaddress import MacAddressHelper
ImportError: No module named helpers.macaddress