code: def forward(self, decoder_state, source_hids, src_lengths):
      return None, maybe_cuda(torch.zeros(1, src_lengths.shape[0]))
  
imports: import torch
  from pytorch_translate.attention import BaseAttention, register_attention
  from pytorch_translate.utils import maybe_cuda
label_desc: Use image node_id 2 for calling the NoAttention obj's underlying member method code with example usage: obj.forward(decoder_state, source_hids, src_lengths) and returns: None,  maybe_cuda