code: def test_unbuilt_model(diabetes_data):
      model = bmb.Model("Y ~ AGE", data=diabetes_data)
      with pytest.raises(ValueError):
          model._check_built()
  
imports: import logging
  from functools import reduce
  from operator import add
  from os.path import dirname, join
  import arviz
  import numpy
  import pandas
  import pymc
  import pytest
  from formulae import design_matrices
  import bambi
  from bambi.terms import CommonTerm, GroupSpecificTerm
label_desc: Use image node_id 8 for calling a global function with example usage: test_unbuilt_model(diabetes_data) without return types