code: def initializer(emb):
      th.manual_seed(0)
      emb.uniform_(-1.0, 1.0)
      return emb
  
imports: import os
  import unittest
  import backend
  import pytest
  import torch
  import torch.multiprocessing
  from dgl.nn import NodeEmbedding
  from dgl.optim import SparseAdagrad, SparseAdam
label_desc: Use image node_id 5 for calling a global function with example usage: initializer(emb) and returns: emb