def get_form_instance(self, step):
        return self.instance_dict.get(step, None)
Return the clique number (size of the largest clique) for G.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/formtools/wizard/views.py/WizardView.get_form_instance--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/algorithms/clique.py/graph_clique_number