@abc.abstractmethod
    def sort(self, *args, **kwargs):
An error in the post-hook stops the chain and returns the error to the
dataset/ETHPy150Open adewes/blitzdb/blitzdb/queryset.py/QuerySet.sort--crossover with--dataset/ETHPy150Open ClusterHQ/powerstrip/powerstrip/test/test_core.py/ProxyTests.test_posthook_error_stops_chain