code: def cuda(self):
      for model in self.models:
          model.cuda()
      return self
  
file_path: translate/pytorch_translate/research/multisource/multisource_decode.py
imports: import math
  import torch
  from fairseq import utils
  from fairseq.models import FairseqIncrementalDecoder
label_desc: Use image node_id 2 for calling the MultiSourceSequenceGenerator obj's underlying member method code with example usage: obj.cuda() and returns: self