@render_to('stats/improved.html')
def improved(request):
    d = date.today()
    dates = [str(d - timedelta(i*7)) for i in xrange(9)]
    q = Stat.all().filter('date', d - timedelta(1))
    def value(q):
        try:
            return q.get().value
        except AttributeError:
            return 0
    counts = {
        'users': value(q.filter('type', Stat.TOTALUSERS)),
        'questions': value(q.filter('type', Stat.TOTALQUESTIONS)),
        }