code: def transform_mobius(pool):
      """
      Transform pool for fast dot product search on HNSW graph
      https://papers.nips.cc/paper/9032-mobius-transformation-for-fast-inner-product-search-on-graph.pdf
  
      Parameters
      ----------
      pool : Pool
  
      Returns
      -------
      transformed_pool : Pool
      """
      transformed_pool = Pool.from_bytes(
          bytes(0), EVectorComponentType.Float, pool.dimension
      )
      transformed_pool._storage = _transform_mobius[pool.dtype](
          pool._storage
      )
      return transformed_pool
  
imports: import sys
  import os
  from six import iteritems
  from enum import IntEnum
  from contextlib import contextmanager
  import json
label_desc: Use image node_id 4 for calling a global function with example usage: transform_mobius(pool) and returns: transformed_pool