def process_step(self, request, form, step):
        pass

    # METHODS SUBCLASSES MUST OVERRIDE ########################################
convert date to datetime as midnight or get current day's midnight
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/formtools/wizard/legacy.py/FormWizard.process_step--crossover with--dataset/ETHPy150Open shinux/PyTime/pytime/pytime.py/midnight