code: def initHidden(self):
      return torch.zeros(1, self.hidden_size)
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  import torchvision
  from torch.autograd import Variable
  from tensorboardX import SummaryWriter
  import pytest
label_desc: Use image node_id 3 for calling the RNN obj's underlying member method code with example usage: obj.initHidden() and returns: torch