Mongo does not like None set for replicaset.
Mongo does not like None set for replicaset.

brilliant-org/django-ajax-uploader,brilliant-org/django-ajax-uploader,skoczen/django-ajax-uploader,derek-adair/django-ajax-uploader,brilliant-org/django-ajax-uploader,skoczen/django-ajax-uploader,derek-adair/django-ajax-uploader,derek-adair/django-ajax-uploader