code: def __call__(self, idx):
      return self.emb[idx].to(self.device)
  
imports: import os
  import numpy
  import torch
  import torch.nn
  import torch.nn.functional
  import torch.nn.init
  import torch.multiprocessing
  from torch.multiprocessing import Queue
  from _thread import start_new_thread
  import traceback
  from functools import wraps
  from ..None import *
label_desc: Use image node_id 4 for calling the InferEmbedding obj's underlying member method code with example usage: obj.__call__(idx) and returns: self