code: def test_init_bad_card_type(self):
      # card is non-iterable
      self.assertRaises(ValueError, MC, card=123)
      # card is a string
      self.assertRaises(ValueError, MC, card="abc")
  
imports: import sys
  import unittest
  import numpy
  from mock import call, patch
  from pandas import DataFrame
  from pgmpy.factors.discrete import State
  from pgmpy.models import MarkovChain
label_desc: Use image node_id 5 for calling the TestMarkovChain obj's underlying member method code with example usage: obj.test_init_bad_card_type() without return types