code: def model0():
      json_path = Path(__file__).parent / "mnist_tensorflow.json"
      ir = json.load(json_path.open())
      return GraphModelSpace._load(_internal=True, **ir)
  
imports: import json
  from pathlib import Path
  import pytest
  from nni.common.framework import get_default_framework, set_default_framework
  from nni.nas.space import StationaryMutator, Mutator, MutationSampler, GraphModelSpace, ModelStatus, MutatorSequence
  from nni.nas.space.mutator import _RandomSampler
  from nni.nas.space.graph_op import Operation
label_desc: Use image node_id 7 for calling a global function with example usage: model0() and returns: GraphModelSpace