def change_sectors(self, before, after):
        before_set = set()
        after_set = set()
        pad = 4
        for dx in range(-pad, pad + 1):
            for dy in [0]:  # range(-pad, pad + 1):
                for dz in range(-pad, pad + 1):
                    if dx ** 2 + dy ** 2 + dz ** 2 > (pad + 1) ** 2:
                        continue
                    if before:
                        x, y, z = before
                        before_set.add((x + dx, y + dy, z + dz))
                    if after:
                        x, y, z = after
                        after_set.add((x + dx, y + dy, z + dz))
        show = after_set - before_set
        hide = before_set - after_set
        for sector in show:
            self.show_sector(sector)
        for sector in hide:
            self.hide_sector(sector)
associate dhcp option invalid vpc id
dataset/ETHPy150Open traverseda/pycraft/pycraft/world.py/World.change_sectors--crossover with--dataset/ETHPy150Open spulec/moto/tests/test_ec2/test_dhcp_options.py/test_dhcp_options_associate_invalid_vpc_id