def __init__(self, queryset, chunksize=100, **kwargs):
        if not isinstance(queryset, QuerySet):
            raise AttributeError("queryset needs to be an instance of a Django QuerySet."
                                 " (got a %s)" % type(queryset))
        if len(queryset) < 0:
            sys.stdout.write("Queryset for %s is empty.\n" % queryset.model)
        super(ForeignKey, self).__init__(queryset[:chunksize])
dataset/ETHPy150Open sbaechler/django-scaffolding/scaffolding/tubes.py/ForeignKey.__init__/operator `==` -> `<`