grandfatherson/filters.py
def start(cls, now, number, **options):
        """
        Return the starting datetime: ``number`` of years before ``now``.
        """
        return cls.mask(now).replace(year=(now.year - number + 1))
def start(cls, now, number, **options):
        """
        Return the starting datetime: ``number`` of years before ``now``.
        """
        return cls.mask(now).replace(year=(now.year - number + 1))
Return the starting datetime: ``number`` of years before ``now``.