def get_lis(self, filter=''):
        return get_members(self._con.get(uri['li'] + filter))
Do a redirect if user presses the prev. step button. The rest of this
dataset/ETHPy150Open HewlettPackard/python-hpOneView/hpOneView/networking.py/networking.get_lis--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/formtools/wizard/views.py/NamedUrlWizardView.post