def get_form_prefix(self, step=None, form=None):
        if step is None:
            step = self.steps.current
        return str(step)
Returns the prefix which will be used when calling the actual form for
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/formtools/wizard/views.py/WizardView.get_form_prefix