Items must have a uid now (not null).

This is due to the previous change.

django_etebase/views.py

@@ -228,7 +228,6 @@ class CollectionItemViewSet(BaseViewSet):
             raise Http404("Collection does not exist")
         # XXX Potentially add this for performance: .prefetch_related('revisions__chunks')
         queryset = type(self).queryset.filter(collection__pk=collection.pk,
-                                              uid__isnull=False,
                                               revisions__current=True)
 
         return queryset