Django error

  File "./manage.py", line 133, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django/core/management/__init__.py", line 364, in execute_from_command_line
    utility.execute()
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django/core/management/__init__.py", line 338, in execute
    django.setup()
  File "./manage.py", line 50, in _setup_once
    _setup_once.setup(*args, **kw)
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django/apps/config.py", line 94, in create
    module = import_module(entry)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django_nose/__init__.py", line 5, in <module>
    from django_nose.runner import BasicNoseRunner, NoseTestSuiteRunner
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django_nose/runner.py", line 267, in <module>
    class BaseRunner(DiscoverRunner):
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django_nose/runner.py", line 269, in BaseRunner
    options = _get_options()
  File "/Users/willpride/.virtualenvs/cchq/lib/python2.7/site-packages/django_nose/runner.py", line 144, in _get_options
    django_opts = [opt.dest for opt in BaseCommand.option_list] + ['version']
AttributeError: type object 'BaseCommand' has no attribute 'option_list'