def increment(self, event):
        self.current_bucket().adder(event).increment()
Test layer ordering
dataset/ETHPy150Open wiliamsouza/hystrix-py/hystrix/rolling_number.py/RollingNumber.increment--crossover with--dataset/ETHPy150Open curtacircuitos/pcb-tools/gerber/tests/test_layers.py/test_sort_layers