def render(self, context, instance, placeholder):
        super(ProcessBarPlugin, self).render(context, instance, placeholder)
        num_children = instance.get_children().count()
        if num_children > 0:
            context['step_css_width'] = '{:3.2f}%'.format(num_children / 100.)
        return context
dataset/ETHPy150Open awesto/django-shop/shop/cascade/processbar.py/ProcessBarPlugin.render/swapped operands of `/`