code: def forward(self, input_seq):
      lstm_out = input_seq
      for layer in range(self.layer_num):
          lstm_out, _ = self.lstm[layer](lstm_out)
      out = self.fc(lstm_out[:, -1, :])
      out = out.view(out.shape[0], 1, out.shape[1])
      return out
  
file_path: analytics-zoo/pyzoo/zoo/chronos/model/VanillaLSTM_pytorch.py
imports: import torch
  import torch.nn
  from zoo.orca.automl.model.base_pytorch_model import PytorchBaseModel
label_desc: Use image node_id 3 for calling the LSTMModel obj's underlying member method code with example usage: obj.forward(input_seq) and returns: out