def stop_slice(self, slice):
        super(DummyAggregate, self).stop_slice(slice)
        DummySliceEvent.objects.get_or_create(
            slice=slice % "%s",
            status="stopped",
            aggregate="%s" % self,
        )
dataset/ETHPy150Open fp7-ofelia/ocf/expedient/src/python/expedient/clearinghouse/aggregate/tests/models.py/DummyAggregate.stop_slice/swapped operands of `%`