code: def test_model(self):
      self.reader.get_model().check_model()
  
imports: import os
  import unittest
  import xml.etree.ElementTree
  import numpy
  import numpy.testing
  from pgmpy import config
  from pgmpy.factors.discrete import TabularCPD
  from pgmpy.models import BayesianNetwork
  from pgmpy.readwrite import XMLBIFReader, XMLBIFWriter
label_desc: Use image node_id 8 for calling the TestXMLBIFReaderMethodsFileTorch obj's underlying member method code with example usage: obj.test_model() without return types