code: def test_from_ardl_none(data):
      with pytest.warns(SpecificationWarning):
          mod = UECM.from_ardl(
              ARDL(data.y, 2, data.x, {"lry": 2, "ide": 2, "ibo": None})
          )
      assert mod.ardl_order == (2, 2, 2)
  
imports: from typing import NamedTuple
  import numpy
  from numpy.testing import assert_allclose
  import pandas
  from pandas.testing import assert_index_equal
  import pytest
  from statsmodels.datasets import danish_data
  from statsmodels.iolib.summary import Summary
  from statsmodels.tools.sm_exceptions import SpecificationWarning
  from statsmodels.tsa.ar_model import AutoReg
  from statsmodels.tsa.ardl.model import ARDL, UECM, ARDLResults, ardl_select_order
  from statsmodels.tsa.deterministic import DeterministicProcess
label_desc: Use image node_id 47 for calling a global function with example usage: test_from_ardl_none(data) without return types