code: def tearDown(self):
      del self.phi1
      del self.phi2
      del self.phi3
      del self.gauss_phi1
      del self.gauss_phi2
  
file_path: pgmpy/pgmpy/tests/test_factors/test_continuous/test_Canonical_Factor.py
imports: import unittest
  import numpy
  import numpy.testing
  from pgmpy.factors.distributions import GaussianDistribution
  from pgmpy.factors.continuous import CanonicalDistribution
label_desc: Use image node_id 8 for calling the TestJGDMethods obj's underlying member method code with example usage: obj.tearDown() without return types