def __call__(self, track, slice=None):
        result = {"species": []}
        statement = """SELECT rel_abundance FROM %s_relab
                       WHERE taxon_level == 'species'""" % track
        for rel in self.execute(statement).fetchall():
            result["species"].append(float(rel[0]))
        return result
Actual implementation of the recursive Bencode algorithm
dataset/ETHPy150Open CGATOxford/cgat/obsolete/Metaphlan.py/SpeciesAbundanceDistribution.__call__--crossover with--dataset/ETHPy150Open lbryio/lbry/lbrynet/dht/encoding.py/Bencode._decodeRecursive