code: def get_shards(self, part_shard_id):
      partition_idx, shard_idx = part_shard_id
      return self.partitions[part_shard_id][shard_idx]
  
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 4 for calling the LocalStore obj's underlying member method code with example usage: obj.get_shards(part_shard_id) and returns: self