code: def _get_bin(self, key):
          '''
          Returns a binned dictionary based on redis zscore
          @return: The sorted dict
          '''
          sortedDict = {}
          for item in self.redis_conn.zscan_iter(key):
              my_item = ujson.loads(item[0])
              my_score = -item[1]
              if my_score not in sortedDict:
                  sortedDict[my_score] = []
              sortedDict[my_score].append(my_item)
          return sortedDict