code: def test_class_init_typeerror(self):
      self.assertRaises(TypeError, CustomDistribution, "x y", self.pdf1)
      self.assertRaises(TypeError, CustomDistribution, "x", self.pdf1)
  
      self.assertRaises(
          TypeError, CustomDistribution, "x1 x2", self.pdf2
      )
      self.assertRaises(TypeError, CustomDistribution, "x1", self.pdf1)
  
      self.assertRaises(
          TypeError, CustomDistribution, "x y z", self.pdf3
      )
      self.assertRaises(TypeError, CustomDistribution, "x", self.pdf3)
  
      self.assertRaises(
          TypeError, CustomDistribution, set(["x", "y"]), self.pdf1
      )
      self.assertRaises(
          TypeError, CustomDistribution, {"x": 1, "y": 2}, self.pdf1
      )
  
      self.assertRaises(
          TypeError, CustomDistribution, set(["x1", "x2"]), self.pdf2
      )
      self.assertRaises(
          TypeError, CustomDistribution, {"x1": 1, "x2": 2}, self.pdf1
      )
  
      self.assertRaises(
          TypeError, CustomDistribution, set(["x", "y", "z"]), self.pdf3
      )
      self.assertRaises(
          TypeError,
          CustomDistribution,
          {"x": 1, "y": 2, "z": 3},
          self.pdf3,
      )
  
imports: import unittest
  import numpy
  import numpy.testing
  from scipy.special import beta
  from scipy.stats import multivariate_normal
  from pgmpy.factors.distributions import CustomDistribution
label_desc: Use image node_id 5 for calling the TestCustomDistribution obj's underlying member method code with example usage: obj.test_class_init_typeerror() without return types