def _get_next_year(self, date):
        return date.replace(year=date.year + 1, month=1, day=1)
there should be no references
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/views/generic/dates.py/YearMixin._get_next_year--crossover with--dataset/ETHPy150Open eoyilmaz/anima/anima/env/mayaEnv/publish.py/check_no_references