def resize(self, new_size):
        size_delta = new_size - self.size
        self.sem.counter += size_delta
        self.size = new_size
Test statistical facet
dataset/ETHPy150Open veegee/guv/guv/greenpool.py/GreenPool.resize--crossover with--dataset/ETHPy150Open mozilla/elasticutils/elasticutils/tests/test_query.py/FacetTest.test_facet_statistical