def _get_line_height(self):
        return self.fonth + self.line_pad
Get the queryset to look an object up against. May not be called if
dataset/ETHPy150Open adieu/allbuttonspressed/pygments/formatters/img.py/ImageFormatter._get_line_height--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/views/generic/detail.py/SingleObjectMixin.get_queryset