docstr: Assign each partition_ref (referencing a list of shards) to an actor,
  and run func for each actor and partition_ref pair.
  Actors should have a `get_node_ip` method to achieve locality scheduling.
  The `get_node_ip` method should call ray._private.services.get_node_ip_address()
  to return the correct ip address.
  The `func` should take an actor and a partition_ref as argument and
  invoke some remote func on that actor and return a new partition_ref.
  Note that if you pass partition_ref directly to actor method, ray
  will resolve that partition_ref to the actual partition object, which
  is a list of shards. If you pass partition_ref indirectly through other
  object, say [partition_ref], ray will send the partition_ref itself to
  actor, and you may need to use ray.get(partition_ref) on actor to retrieve
  the actor partition objects.
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code: def transform_shards_with_actors(self, actors, func):
      """
      Assign each partition_ref (referencing a list of shards) to an actor,
      and run func for each actor and partition_ref pair.
      Actors should have a `get_node_ip` method to achieve locality scheduling.
      The `get_node_ip` method should call ray._private.services.get_node_ip_address()
      to return the correct ip address.
      The `func` should take an actor and a partition_ref as argument and
      invoke some remote func on that actor and return a new partition_ref.
      Note that if you pass partition_ref directly to actor method, ray
      will resolve that partition_ref to the actual partition object, which
      is a list of shards. If you pass partition_ref indirectly through other
      object, say [partition_ref], ray will send the partition_ref itself to
      actor, and you may need to use ray.get(partition_ref) on actor to retrieve
      the actor partition objects.
      """
      (
          assigned_partitions,
          actor_ips,
          assigned_actors,
      ) = self.assign_partitions_to_actors(actors)
      assigned_partition_refs = [
          (part_ids, self._get_multiple_partition_refs(part_ids))
          for part_ids in assigned_partitions
      ]
      new_part_id_refs = {
          part_id: func(actor, part_ref)
          for actor, (part_ids, part_refs) in zip(
              assigned_actors, assigned_partition_refs
          )
          for part_id, part_ref in zip(part_ids, part_refs)
      }
  
      actor_ip2part_id = defaultdict(list)
      for actor_ip, part_ids in zip(actor_ips, assigned_partitions):
          actor_ip2part_id[actor_ip].extend(part_ids)
  
      return RayXShards.from_partition_refs(
          actor_ip2part_id, new_part_id_refs, self.rdd
      )
  
imports: from collections import defaultdict
  import ray
  import ray._private.services
  import uuid
  import random
  from packaging import version
  from zoo.orca.data import XShards
  from zoo.ray import RayContext
  import logging
label_desc: Use image node_id 8 for calling the RayXShards obj's underlying member method code with example usage: obj.transform_shards_with_actors(actors, func) and returns: RayXShards