code: def model():
      return DummyModel(MODEL_NAME, DATASET_NAME, CONFIG)
  
file_path: pytorch_geometric/test/nn/test_model_hub.py
imports: import os
  from pathlib import Path
  from unittest.mock import Mock
  import pytest
  import torch
  from torch_geometric.nn import GCN
  from torch_geometric.nn.model_hub import PyGModelHubMixin
  from torch_geometric.testing import withPackage
label_desc: Use image node_id 1 for calling a global function with example usage: model() and returns: DummyModel