def __repr__(self):
        return "%s('%s')" % (self.__class__.__name__, self)
Get a year format string in strptime syntax to be used to parse the
dataset/ETHPy150Open drkjam/netaddr/netaddr/ip/__init__.py/IPNetwork.__repr__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/views/generic/dates.py/YearMixin.get_year_format