How can this error be corrected?

C:\Python33\Scripts\mysite>python manage.py sqlall books
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "C:\Python33\lib\site-packages\django\core\management\__init__.py", lin
338, in execute_from_command_line
    utility.execute()
  File "C:\Python33\lib\site-packages\django\core\management\__init__.py", lin
312, in execute
    django.setup()
  File "C:\Python33\lib\site-packages\django\__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Python33\lib\site-packages\django\apps\registry.py", line 85, in popu
late
    app_config = AppConfig.create(entry)
  File "C:\Python33\lib\site-packages\django\apps\config.py", line 112, in creat
e
    mod = import_module(mod_path)
  File "C:\Python33\lib\importlib\__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1586, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1567, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1531, in _find_and_load_unlocked
ImportError: No module named 'django.contrib.staticfilesdjango'

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscribe@googlegroups.com.
To post to this group, send email to django-users@googlegroups.com.
Visit this group at http://groups.google.com/group/django-users.
To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/3f7c59b0-0cc3-4745-a72d-38ad702381a9%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.