code: def forward(self, x_dict, edge_index_dict):
      out = self.han_conv(x_dict, edge_index_dict)
      out = self.lin(out["movie"])
      return out
  
file_path: pytorch_geometric/examples/hetero/han_imdb.py
imports: import os.path
  from typing import Dict, List, Union
  import torch
  import torch.nn.functional
  from torch import nn
  import torch_geometric.transforms
  from torch_geometric.datasets import IMDB
  from torch_geometric.nn import HANConv
label_desc: Use image node_id 2 for calling the HAN obj's underlying member method code with example usage: obj.forward(x_dict, edge_index_dict) and returns: out