code: def _get_targets(self):
      return torch.tensor([1])
  
imports: import copy
  import unittest
  import torch
  from classy_vision.losses import build_loss, ClassyLoss, register_loss, SumArbitraryLoss
label_desc: Use image node_id 3 for calling the TestSumArbitraryLoss obj's underlying member method code with example usage: obj._get_targets() and returns: torch