code: def test_init(self):
      self.Independencies1 = Independencies(["X", "Y", "Z"])
      self.assertEqual(
          self.Independencies1, Independencies(["X", "Y", "Z"])
      )
      self.Independencies2 = Independencies()
      self.assertEqual(self.Independencies2, Independencies())
  
imports: import unittest
  from pgmpy.independencies import Independencies, IndependenceAssertion
label_desc: Use image node_id 2 for calling the TestIndependencies obj's underlying member method code with example usage: obj.test_init() without return types