def legal_move(self, wo, x, y, z):
        import physics
        return physics.legal_move(self, wo, x, y, z)
Extension point for adding anything extra to the cache_support.
dataset/ETHPy150Open tcoxon/fishpye/world.py/world.legal_move--crossover with--dataset/ETHPy150Open django-cache-machine/django-cache-machine/caching/ext.py/FragmentCacheExtension.process_cache_arguments