code: def test_planar(self):
      self._test(T.planar, inverse=False)
  
imports: import operator
  from functools import partial, reduce
  from unittest import TestCase
  import pytest
  import torch
  import pyro.distributions
  import pyro.distributions.transforms
  from pyro.distributions import constraints
  from tests.common import assert_close
label_desc: Use image node_id 33 for calling the TransformTests obj's underlying member method code with example usage: obj.test_planar() without return types