nurv

if settings.DEBUG:
  # static files (images, css, javascript, etc.)
  urlpatterns += patterns('',
        (r'^media/(?P<path>.*)$', 'django.views.static.serve' , { 'document_root': settings.MEDIA_ROOT, 'show_indexes':True }))

nurv

class Task(models.Model):
  name        = models.CharField(max_length=128)

class Version(models.Model):
  is_active       = models.OneToOneField(Task, blank=True, null=True, related_name="active_version")

Traceback (most recent call last):

  File "/Users/john/Desktop/foo-env/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
    response = callback(request, *callback_args, **callback_kwargs)