MongoEngine/mongoengine — pull request #498 by woakas (2013-10-17 21:37:38+00:00)
Title: Fixed bug for count method when _none is True

If my queryset have elements example:

qs.all().count() => 10
q = qs.all().none()

the count in queryset "q" must be 0
q.count() => 0